Subtract 70/60 from 9/98, Solve 9/98

Subtract 70/60 from 9/98

1^st number: 9/98, 2^nd number: 1 10/60

9/98 - 70/60 is -158/147.

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 60 is 2940

Next, find the equivalent fraction of both fractional numbers with denominator 2940
For the 1st fraction, since 98 × 30 = 2940,
9/98 = 9 × 30/98 × 30 = 270/2940
Likewise, for the 2nd fraction, since 60 × 49 = 2940,
70/60 = 70 × 49/60 × 49 = 3430/2940
Subtract the two like fractions:
270/2940 - 3430/2940 = 270 - 3430/2940 = -3160/2940
After reducing the fraction, the answer is -158/147

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