Subtract 98/56 from 3/40, Solve 3/40

Subtract 98/56 from 3/40

1^st number: 3/40, 2^nd number: 1 42/56

3/40 - 98/56 is -67/40.

Find the least common denominator or LCM of the two denominators:
LCM of 40 and 56 is 280

Next, find the equivalent fraction of both fractional numbers with denominator 280
For the 1st fraction, since 40 × 7 = 280,
3/40 = 3 × 7/40 × 7 = 21/280
Likewise, for the 2nd fraction, since 56 × 5 = 280,
98/56 = 98 × 5/56 × 5 = 490/280
Subtract the two like fractions:
21/280 - 490/280 = 21 - 490/280 = -469/280
After reducing the fraction, the answer is -67/40

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