Addition and Subtraction

Step 1: Arrange the numbers in columns.
 1 4 5 2 6
+ 4 2 4 3 2

Step 2: Add the digits in ones column. 6 + 2 = 8, We write 8 in the ones place of the answer.
 1 4 5 2 6
+ 4 2 4 3 2
    8

Step 3: Add the digits in tens column. 2 + 3 = 5, We write 5 in the tens place of the answer.
 1 4 5 2 6
+ 4 2 4 3 2
    5 8

Step 4: Add the digits in hundreds column. 5 + 4 = 9, We write 9 in the hundreds place of the answer.
 1 4 5 2 6
+ 4 2 4 3 2
   9 5 8

Step 5: Add the digits in thousands column. 4 + 2 = 6, We write 6 in the thousands place of the answer.
 1 4 5 2 6
+ 4 2 4 3 2
  6 9 5 8

Step 6: Add the digits in ten-thousands column. 1 + 4 = 5, We write 5 in the ten-thousands place of the answer.
 1 4 5 2 6
+ 4 2 4 3 2
 5 6 9 5 8

14526 + 42432 = 56958

We will regroup the digits where ever there is a carried over digit.
Step 1: Arrange the numbers in columns.
 4 5 8 6
+ 2 8 2 7

Step 2: Add the digits in ones column. 6 + 7 = 13, We write 3 in the ones place of the answer and 1 in the tens place as a carry over.
   1
 4 5 8 6
+ 2 8 2 7
    3

Step 3: Add the digits in tens column. 1 + 8 + 2 = 11, We write 1 in the tens place of the answer and 1 in the hundreds place as a carry over.
   1
 4 5 8 6
+ 2 8 2 7
   1 3

Step 4: Add the digits in hundreds column. 1 + 5 + 8 = 14, We write 4 in the hundreds place of the answer and 1 in the thousands place as a carry over.
  1
 4 5 8 6
+ 2 8 2 7
  4 1 3

Step 5: Add the digits in thousands column. 1 + 4 + 2 = 7, We write 7 in the thousands.
 4 5 8 6
+ 2 8 2 7
 7 4 1 3

4586 + 2827 = 7413

Step 1: Arrange the numbers in columns. Write the greater number above the smaller one
 5 6 4 5 8
 - 1 5 4 2 3

Step 2: Subtract the digits in ones column. 8 - 3 = 5, We write 5 in the ones place of the answer.
 5 6 4 5 8
 - 1 5 4 2 3
     5

Step 3: Subtract the digits in tens column. 5 - 2 = 3, We write 3 in the tens place of the answer.
 5 6 4 5 8
 - 1 5 4 2 3
    3 5

Step 4: Subtract the digits in hundreds column. 4 - 4 = 0, We write 0 in the hundreds place of the answer.
 5 6 4 5 8
 - 1 5 4 2 3
   0 3 5

Step 5: Subtract the digits in thousands column. 6 - 5 = 1, We write 1 in the thousands place of the answer.
 5 6 4 5 8
 - 1 5 4 2 3
  1 0 3 5

Step 6: Subtract the digits in ten-thousands column. 5 - 1 = 4, We write 4 in the ten-thousands place of the answer.
 5 6 4 5 8
 - 1 5 4 2 3
 4 1 0 3 5

56458 - 15423 = 41035

Step 1: Arrange the numbers in columns. Write the greater number above the smaller one
 5 6 5 3
 - 1 7 8 9

Step 2: Subtract the digits in ones column. 3 - 9 is not possible, 3 < 9. So we will regroup the digit at the tens place.
5 tens = 4 tens + 10 ones.
Now the digit at the tens place become 4 and the digit at the ones place become 13.
13 - 9 = 4, we write 4 in the ones place of the answer.
   4 13
 5 6 5 3
 - 1 7 8 9
    4

Step 3: Subtract the digits in tens column. 4 - 8 is not possible, 4 < 8. So we will regroup the digit at the hundreds place.
6 hundreds = 5 hundreds + 10 tens.
Now the digit at the hundreds place become 5 and the digit at the tens place become 14.
14 - 8 = 6, we write 6 in the tens place of the answer.
   5 14
 5 6 5 3
 - 1 7 8 9
   6 4

Step 4: Subtract the digits in hundreds column. 5 - 7 is not possible, 5 < 8. So we will regroup the digit at the thousands place.
5 thousands = 4 thousands + 10 hundreds.
Now the digit at the thousands place become 4 and the digit at the hundreds place become 15.
15 - 7 = 8, we write 8 in the hundreds place of the answer.
 4 15
 5 5 6 3
 - 1 7 8 9
   8 6 4

Step 5: Subtract the digits in thousands column. 4 - 1 = 3, we write 3 in the thousands place of the answer.
 4
 5 6 5 3
 - 1 7 8 9
 3 8 6 4

5653 - 1789 = 3864

Step 1: Subtract 2504 from 5536 first.
(5536 - 2504) + 1890
= 3032 + 1890

Step 2: Now add 1890 to the sum obtained in the previous step.
3032 + 1890 = 4922

So, 5536 - 2504 + 1890 = 4922

Let's estimate the sum and difference of the numbers 314 and 247

Step 1: Round down 314 to the nearest ten. 314 → 310

Step 2: Round up 247 to the nearest ten. 247 → 250

Estimated Sum: 310 + 250 = 560
Estimated Difference: 310 - 250 = 60

Actual Sum: 314 + 247 = 561
Actual Difference: 314 - 247 = 67