The solution to 7/10-9/8 is -17/40

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simplify 7/10-9/8

Solution

simplify

\frac{7}{10} - \frac{9}{8}

- \frac{17}{40}

Decimal Notation

- 0.425

Solution steps

\frac{7}{10} - \frac{9}{8}

Least Common Multiplier of

10, 8 : 40

Adjust Fractions based on the LCM

= \frac{28}{40} - \frac{45}{40}

Apply the fraction rule:

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

= \frac{28 - 45}{40}

28 - 45 = - 17

= \frac{- 17}{40}

Apply the fraction rule:

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

= - \frac{17}{40}

\frac{400}{81}

(7 n + 5)^{2}

p^{3} - 64

e^{1. 1^{2} - 0. 9^{2}}

(\frac{2 x}{5} - 9) + 9