320 58 LCM of 8 and 20=40 3× 220× 2 5× 58× 5=6 2540= 1940 Hence the correct answer is 1940 ...

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Addition of Fractions

What is : 3...

Question

What is : $\frac{3}{20} - \frac{5}{8}$ ?

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Solution

$\frac{3}{20} - \frac{5}{8}$
LCM of 8 and 20=40
$\frac{3 \times 2}{20 \times 2} - \frac{5 \times 5}{8 \times 5} = \frac{6 - 25}{40} = \frac{- 19}{40}$
Hence the correct answer is $\frac{- 19}{40}$

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8

20

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