Evaluate 3/7-7/9

Math
37-79
To write 37 as a fraction with a common denominator, multiply by 99.
37⋅99-79
To write -79 as a fraction with a common denominator, multiply by 77.
37⋅99-79⋅77
Write each expression with a common denominator of 63, by multiplying each by an appropriate factor of 1.
Tap for more steps…
Multiply 37 and 99.
3⋅97⋅9-79⋅77
Multiply 7 by 9.
3⋅963-79⋅77
Multiply 79 and 77.
3⋅963-7⋅79⋅7
Multiply 9 by 7.
3⋅963-7⋅763
3⋅963-7⋅763
Combine the numerators over the common denominator.
3⋅9-7⋅763
Simplify the numerator.
Tap for more steps…
Multiply 3 by 9.
27-7⋅763
Multiply -7 by 7.
27-4963
Subtract 49 from 27.
-2263
-2263
Move the negative in front of the fraction.
-2263
The result can be shown in multiple forms.
Exact Form:
-2263
Decimal Form:
-0.349206‾
Evaluate 3/7-7/9

Download our
App from the store

Create a High Performed UI/UX Design from a Silicon Valley.

Scroll to top