What is 3/4+2/5-3/20 ?

The solution to 3/4+2/5-3/20 is 1

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simplify 3/4+2/5-3/20

simplify

\frac{3}{4} + \frac{2}{5} - \frac{3}{20}

1

Solution steps

\frac{3}{4} + \frac{2}{5} - \frac{3}{20}

Least Common Multiplier of

4, 5, 20 : 20

Adjust Fractions based on the LCM

= \frac{15}{20} + \frac{8}{20} - \frac{3}{20}

Apply the fraction rule:

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

= \frac{15 + 8 - 3}{20}

Add the numbers:

15 + 8 - 3 = 20

= \frac{20}{20}

Apply the fraction rule:

\frac{a}{a} = 1

= 1

- 4 \cdot 5

4 p + 12

x - 6 \cdot x + 3

x^{2} + 11 x = 4

- 1.2 (5)^{2} + 9.6 (5)