Subtract 70/32 from 72/98, Solve 72/98

Subtract 70/32 from 72/98

1^st number: 72/98, 2^nd number: 2 6/32

72/98 - 70/32 is -1139/784.

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 32 is 1568

Next, find the equivalent fraction of both fractional numbers with denominator 1568
For the 1st fraction, since 98 × 16 = 1568,
72/98 = 72 × 16/98 × 16 = 1152/1568
Likewise, for the 2nd fraction, since 32 × 49 = 1568,
70/32 = 70 × 49/32 × 49 = 3430/1568
Subtract the two like fractions:
1152/1568 - 3430/1568 = 1152 - 3430/1568 = -2278/1568
After reducing the fraction, the answer is -1139/784

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