5 63 ( 6 21 #160; ) = #10;5× 1 63× 1 ( 6 21 #160; ) = #10; 5× 1 63× 1 ( 6× 3 21× 3 #160; #10;) = 5 63 18 63 = 5 ( ...

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Comparison of Fractions

Find: 563- -...

Question

Find:
$\frac{5}{63} - (\frac{- 6}{21})$

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Solution

$\frac{5}{63} - (\frac{- 6}{21}) = \frac{5 \times 1}{63 \times 1} - (\frac{- 6}{21}) = \frac{5 \times 1}{63 \times 1} - (\frac{- 6 \times 3}{21 \times 3}) = \frac{5}{63} - \frac{- 18}{63} = \frac{5 - (- 18)}{63} = \frac{5 + 18}{63} = \frac{23}{63}$
L.C.M of $63$ and $21$ is $63$

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Similar questions

Find

(i) (ii) (iii)

(iv) (v)

\frac{63}{- 21}

Multiply and express as a mixed fraction:

(a) (b)

(e) (f)

Question 2 (ii)

Find:
$\frac{5}{63} - (\frac{- 6}{21})$

{(\sqrt[6]{21} - \sqrt{6 \frac{3}{4}})}^{2}

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