Subtract 98/64 from 40/98, Solve 40/98

Subtract 98/64 from 40/98

1^st number: 40/98, 2^nd number: 1 34/64

40/98 - 98/64 is -1761/1568.

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 64 is 3136

Next, find the equivalent fraction of both fractional numbers with denominator 3136
For the 1st fraction, since 98 × 32 = 3136,
40/98 = 40 × 32/98 × 32 = 1280/3136
Likewise, for the 2nd fraction, since 64 × 49 = 3136,
98/64 = 98 × 49/64 × 49 = 4802/3136
Subtract the two like fractions:
1280/3136 - 4802/3136 = 1280 - 4802/3136 = -3522/3136
After reducing the fraction, the answer is -1761/1568

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