Subtract 30/18 from 24/63, Solve 24/63

Subtract 30/18 from 24/63

1^st number: 24/63, 2^nd number: 1 12/18

24/63 - 30/18 is -9/7.

Find the least common denominator or LCM of the two denominators:
LCM of 63 and 18 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 63 × 2 = 126,
24/63 = 24 × 2/63 × 2 = 48/126
Likewise, for the 2nd fraction, since 18 × 7 = 126,
30/18 = 30 × 7/18 × 7 = 210/126
Subtract the two like fractions:
48/126 - 210/126 = 48 - 210/126 = -162/126
After reducing the fraction, the answer is -9/7

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