The solution to 7/10-4/5 is -1/10

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simplify 7/10-4/5

Solution

simplify

\frac{7}{10} - \frac{4}{5}

- \frac{1}{10}

Decimal Notation

- 0.1

Solution steps

\frac{7}{10} - \frac{4}{5}

Least Common Multiplier of

10, 5 : 10

Adjust Fractions based on the LCM

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

Apply the fraction rule:

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

= \frac{7 - 8}{10}

Subtract the numbers:

7 - 8 = - 1

= \frac{- 1}{10}

Apply the fraction rule:

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

= - \frac{1}{10}

103 + 63

3 \frac{6}{7} + (- 1 \frac{1}{7})

(- 5 - 8 i) - (7 - 4 i)

2 i + j - 2 k

\frac{1}{1 + 3 i} + \frac{1}{1 + 7 i}