Subtract 1/2-7/8 - Math App

12-78

To write 12 as a fraction with a common denominator, multiply by 44.

12⋅44-78

Write each expression with a common denominator of 8, by multiplying each by an appropriate factor of 1.

Tap for more steps…

Multiply 12 and 44.

42⋅4-78

Multiply 2 by 4.

48-78

Combine the numerators over the common denominator.

4-78

Subtract 7 from 4.

-38

Move the negative in front of the fraction.

-38

The result can be shown in multiple forms.

Exact Form:

-38

Decimal Form:

-0.375

Subtract 1/2-7/8

We can solve all math problems. Get help on the web or with our math app