simplify 3/4-7/9

Solution

simplify

\frac{3}{4} - \frac{7}{9}

- \frac{1}{36}

Solution steps

\frac{3}{4} - \frac{7}{9}

Least Common Multiplier of

4, 9 : 36

Adjust Fractions based on the LCM

= \frac{27}{36} - \frac{28}{36}

Apply the fraction rule:

\frac{a}{c} - \frac{b}{c} = \frac{a - b}{c}

= \frac{27 - 28}{36}

27 - 28 = - 1

= \frac{- 1}{36}

Apply the fraction rule:

\frac{- a}{b} = - \frac{a}{b}

= - \frac{1}{36}

2^{2} - 2 - 1

2^{2} - 2 - 2

2^{2} - 2 + 3

(- 3 - 3)^{2} - 2

(52 - 2) 2 + 33