Subtract 30/63 from 24/20, Solve 1 4/20

Subtract 30/63 from 24/20

1^st number: 1 4/20, 2^nd number: 30/63

24/20 - 30/63 is 76/105.

Find the least common denominator or LCM of the two denominators:
LCM of 20 and 63 is 1260

Next, find the equivalent fraction of both fractional numbers with denominator 1260
For the 1st fraction, since 20 × 63 = 1260,
24/20 = 24 × 63/20 × 63 = 1512/1260
Likewise, for the 2nd fraction, since 63 × 20 = 1260,
30/63 = 30 × 20/63 × 20 = 600/1260
Subtract the two like fractions:
1512/1260 - 600/1260 = 1512 - 600/1260 = 912/1260
After reducing the fraction, the answer is 76/105

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