Rewrite addition equation with whole number and fraction part separated

3 +

2

10

+ 7 +

1

9

Solve the whole number parts

3 + 7 = 10

Now, solve the fraction parts

2

10

+

1

9

Least Common Denominator (LCD) of 10 and 9 is 90.

Now, we have to make sure both fractions have the same new denominator 90.

You can write fraction

2

10

as

2x9

10x9

=

18

90

You can write fraction

1

9

as

1x10

9x10

=

10

90

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

18

90

+

10

90

=

18+10

90

=

28

90

That can be simplified to

=

14

45

Combine whole numbers and fraction parts

10 +

14

45

= 10

14

45