Subtract 54/18 from 4/98, Solve 4/98

Subtract 54/18 from 4/98

1^st number: 4/98, 2^nd number: 3 0/18

4/98 - 54/18 is -145/49.

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 18 is 882

Next, find the equivalent fraction of both fractional numbers with denominator 882
For the 1st fraction, since 98 × 9 = 882,
4/98 = 4 × 9/98 × 9 = 36/882
Likewise, for the 2nd fraction, since 18 × 49 = 882,
54/18 = 54 × 49/18 × 49 = 2646/882
Subtract the two like fractions:
36/882 - 2646/882 = 36 - 2646/882 = -2610/882
After reducing the fraction, the answer is -145/49

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