Subtract 98/32 from 49/21, Solve 2 7/21

Subtract 98/32 from 49/21

1^st number: 2 7/21, 2^nd number: 3 2/32

49/21 - 98/32 is -35/48.

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,
49/21 = 49 × 32/21 × 32 = 1568/672
Likewise, for the 2nd fraction, since 32 × 21 = 672,
98/32 = 98 × 21/32 × 21 = 2058/672
Subtract the two like fractions:
1568/672 - 2058/672 = 1568 - 2058/672 = -490/672
After reducing the fraction, the answer is -35/48

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