Addition, Subtraction, Multiplication and Division of numbers Adding numbers examples

1. Find `598.5 + 78.96`

Solution:

Solution is

Write the numbers vertically, so the decimal point lines up
Place 0 as a place holder, so that both numbers have same decimal places

Step-1 :
`=0+6`
`=6`
`:.` Sum`=6`

Step-2 :
`=5+9`
`=14`
`:.` Sum`=4` and carry`=1`

Step-3 :
`=1+8+8`
`=17`
`:.` Sum`=7` and carry`=1`

Step-4 :
`=1+9+7`
`=17`
`:.` Sum`=7` and carry`=1`

Step-5 :
`=1+5+0`
`=6`
`:.` Sum`=6`

2. Find `200783 + 147359`

Solution:

Solution is

Step by step solution :

Write the numbers, so that each digit lines up vertically

Step-1 :
`=3+9`
`=12`
`:.` Sum`=2` and carry`=1`

Step-2 :
`=1+8+5`
`=14`
`:.` Sum`=4` and carry`=1`

Step-3 :
`=1+7+3`
`=11`
`:.` Sum`=1` and carry`=1`

Step-4 :
`=1+0+7`
`=8`
`:.` Sum`=8`

Step-5 :
`=0+4`
`=4`
`:.` Sum`=4`

Step-6 :
`=2+1`
`=3`
`:.` Sum`=3`

This material is intended as a summary. Use your textbook for detail explanation.
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