Subtract 70/28 from 7/98, Solve 7/98

Subtract 70/28 from 7/98

1^st number: 7/98, 2^nd number: 2 14/28

7/98 - 70/28 is -17/7.

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,
7/98 = 7 × 2/98 × 2 = 14/196
Likewise, for the 2nd fraction, since 28 × 7 = 196,
70/28 = 70 × 7/28 × 7 = 490/196
Subtract the two like fractions:
14/196 - 490/196 = 14 - 490/196 = -476/196
After reducing the fraction, the answer is -17/7

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