Subtract 20/30 from 2/63, Solve 2/63

Subtract 20/30 from 2/63

2/63 - 20/30 is -40/63.

Find the least common denominator or LCM of the two denominators:
LCM of 63 and 30 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 63 × 10 = 630,
2/63 = 2 × 10/63 × 10 = 20/630
Likewise, for the 2nd fraction, since 30 × 21 = 630,
20/30 = 20 × 21/30 × 21 = 420/630
Subtract the two like fractions:
20/630 - 420/630 = 20 - 420/630 = -400/630
After reducing the fraction, the answer is -40/63

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