Rewrite addition equation with whole number and fraction part separated

9 +

2

9

+ 3 +

1

10

Solve the whole number parts

9 + 3 = 12

Now, solve the fraction parts

2

9

+

1

10

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

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

You can write fraction

2

9

as

2x10

9x10

=

20

90

You can write fraction

1

10

as

1x9

10x9

=

9

90

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

20

90

+

9

90

=

20+9

90

=

29

90

Combine whole numbers and fraction parts

12 +

29

90

= 12

29

90