Rewrite addition equation with whole number and fraction part separated

9 +

2

10

+ 9 +

1

7

Solve the whole number parts

9 + 9 = 18

Now, solve the fraction parts

2

10

+

1

7

Least Common Denominator (LCD) of 10 and 7 is 70.

Now, we have to make sure both fractions have the same new denominator 70.

You can write fraction

2

10

as

2x7

10x7

=

14

70

You can write fraction

1

7

as

1x10

7x10

=

10

70

Now, both fractions have same denominator and we are ready to add

14

70

+

10

70

=

14+10

70

=

24

70

That can be simplified to

=

12

35

Combine whole numbers and fraction parts

18 +

12

35

= 18

12

35