Subtract 98/63 from 75/60, Solve 1 15/60

Subtract 98/63 from 75/60

1^st number: 1 15/60, 2^nd number: 1 35/63

75/60 - 98/63 is -11/36.

Find the least common denominator or LCM of the two denominators:
LCM of 60 and 63 is 1260

Next, find the equivalent fraction of both fractional numbers with denominator 1260
For the 1st fraction, since 60 × 21 = 1260,
75/60 = 75 × 21/60 × 21 = 1575/1260
Likewise, for the 2nd fraction, since 63 × 20 = 1260,
98/63 = 98 × 20/63 × 20 = 1960/1260
Subtract the two like fractions:
1575/1260 - 1960/1260 = 1575 - 1960/1260 = -385/1260
After reducing the fraction, the answer is -11/36

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