Subtract 60/27 from 21/98, Solve 21/98

Subtract 60/27 from 21/98

1^st number: 21/98, 2^nd number: 2 6/27

21/98 - 60/27 is -253/126.

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 27 is 2646

Next, find the equivalent fraction of both fractional numbers with denominator 2646
For the 1st fraction, since 98 × 27 = 2646,
21/98 = 21 × 27/98 × 27 = 567/2646
Likewise, for the 2nd fraction, since 27 × 98 = 2646,
60/27 = 60 × 98/27 × 98 = 5880/2646
Subtract the two like fractions:
567/2646 - 5880/2646 = 567 - 5880/2646 = -5313/2646
After reducing the fraction, the answer is -253/126

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