Subtract 70/28 from 9/98, Solve 9/98

Subtract 70/28 from 9/98

1^st number: 9/98, 2^nd number: 2 14/28

9/98 - 70/28 is -118/49.

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 28 is 196

Next, find the equivalent fraction of both fractional numbers with denominator 196
For the 1st fraction, since 98 × 2 = 196,
9/98 = 9 × 2/98 × 2 = 18/196
Likewise, for the 2nd fraction, since 28 × 7 = 196,
70/28 = 70 × 7/28 × 7 = 490/196
Subtract the two like fractions:
18/196 - 490/196 = 18 - 490/196 = -472/196
After reducing the fraction, the answer is -118/49

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