Rewrite subtraction equation with whole number and fraction part separated

10 +

2

12

- 7 -

1

11

Solve the whole number parts

10 - 7 = 3

Now, solve the fraction parts

2

12

-

1

11

Least Common Denominator (LCD) of 12 and 11 is 132.

Now, we have to make sure both fractions have the same new denominator 132.

You can write fraction

2

12

as

2x11

12x11

=

22

132

You can write fraction

1

11

as

1x12

11x12

=

12

132

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

22

132

-

12

132

=

22-12

132

=

10

132

That can be simplified to

=

5

66

Combine whole numbers and fraction parts

3 +

5

66

= 3

5

66