Subtract 6/4 from 18/98, Solve 18/98

Subtract 6/4 from 18/98

1^st number: 18/98, 2^nd number: 1 2/4

18/98 - 6/4 is -129/98.

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 4 is 196

Next, find the equivalent fraction of both fractional numbers with denominator 196
For the 1st fraction, since 98 × 2 = 196,
18/98 = 18 × 2/98 × 2 = 36/196
Likewise, for the 2nd fraction, since 4 × 49 = 196,
6/4 = 6 × 49/4 × 49 = 294/196
Subtract the two like fractions:
36/196 - 294/196 = 36 - 294/196 = -258/196
After reducing the fraction, the answer is -129/98

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