Subtract 20/10 from 5/63, Solve 5/63

Subtract 20/10 from 5/63

1^st number: 5/63, 2^nd number: 2 0/10

5/63 - 20/10 is -121/63.

Find the least common denominator or LCM of the two denominators:
LCM of 63 and 10 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 63 × 10 = 630,
5/63 = 5 × 10/63 × 10 = 50/630
Likewise, for the 2nd fraction, since 10 × 63 = 630,
20/10 = 20 × 63/10 × 63 = 1260/630
Subtract the two like fractions:
50/630 - 1260/630 = 50 - 1260/630 = -1210/630
After reducing the fraction, the answer is -121/63

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