Subtract 98/32 from 4/21, Solve 4/21

Subtract 98/32 from 4/21

1^st number: 4/21, 2^nd number: 3 2/32

4/21 - 98/32 is -965/336.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 32 is 672

Next, find the equivalent fraction of both fractional numbers with denominator 672
For the 1st fraction, since 21 × 32 = 672,
4/21 = 4 × 32/21 × 32 = 128/672
Likewise, for the 2nd fraction, since 32 × 21 = 672,
98/32 = 98 × 21/32 × 21 = 2058/672
Subtract the two like fractions:
128/672 - 2058/672 = 128 - 2058/672 = -1930/672
After reducing the fraction, the answer is -965/336

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