Subtract 63/98 from 54/40, Solve 1 14/40

Subtract 63/98 from 54/40

1^st number: 1 14/40, 2^nd number: 63/98

54/40 - 63/98 is 99/140.

Find the least common denominator or LCM of the two denominators:
LCM of 40 and 98 is 1960

Next, find the equivalent fraction of both fractional numbers with denominator 1960
For the 1st fraction, since 40 × 49 = 1960,
54/40 = 54 × 49/40 × 49 = 2646/1960
Likewise, for the 2nd fraction, since 98 × 20 = 1960,
63/98 = 63 × 20/98 × 20 = 1260/1960
Subtract the two like fractions:
2646/1960 - 1260/1960 = 2646 - 1260/1960 = 1386/1960
After reducing the fraction, the answer is 99/140

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