Subtract 30/28 from 1/98, Solve 1/98

Subtract 30/28 from 1/98

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

1/98 - 30/28 is -52/49.

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,
1/98 = 1 × 2/98 × 2 = 2/196
Likewise, for the 2nd fraction, since 28 × 7 = 196,
30/28 = 30 × 7/28 × 7 = 210/196
Subtract the two like fractions:
2/196 - 210/196 = 2 - 210/196 = -208/196
After reducing the fraction, the answer is -52/49

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