Subtract 4/21 from 98/60, Solve 1 38/60

Subtract 4/21 from 98/60

1^st number: 1 38/60, 2^nd number: 4/21

98/60 - 4/21 is 101/70.

Find the least common denominator or LCM of the two denominators:
LCM of 60 and 21 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 60 × 7 = 420,
98/60 = 98 × 7/60 × 7 = 686/420
Likewise, for the 2nd fraction, since 21 × 20 = 420,
4/21 = 4 × 20/21 × 20 = 80/420
Subtract the two like fractions:
686/420 - 80/420 = 686 - 80/420 = 606/420
After reducing the fraction, the answer is 101/70
In mixed form: 131/70

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