Rewrite addition equation with whole number and fraction part separated

10 +

1

7

+ 5 +

1

8

Solve the whole number parts

10 + 5 = 15

Now, solve the fraction parts

1

7

+

1

8

Least Common Denominator (LCD) of 7 and 8 is 56.

Now, we have to make sure both fractions have the same new denominator 56.

You can write fraction

1

7

as

1x8

7x8

=

8

56

You can write fraction

1

8

as

1x7

8x7

=

7

56

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

8

56

+

7

56

=

8+7

56

=

15

56

Combine whole numbers and fraction parts

15 +

15

56

= 15

15

56