Subtract 4/63 from 98/20, Solve 4 18/20

Subtract 4/63 from 98/20

1^st number: 4 18/20, 2^nd number: 4/63

98/20 - 4/63 is 3047/630.

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,
98/20 = 98 × 63/20 × 63 = 6174/1260
Likewise, for the 2nd fraction, since 63 × 20 = 1260,
4/63 = 4 × 20/63 × 20 = 80/1260
Subtract the two like fractions:
6174/1260 - 80/1260 = 6174 - 80/1260 = 6094/1260
After reducing the fraction, the answer is 3047/630
In mixed form: 4527/630

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