Subtract 32/21 from 24/30, Solve 24/30

Subtract 32/21 from 24/30

1^st number: 24/30, 2^nd number: 1 11/21

24/30 - 32/21 is -76/105.

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 21 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 30 × 7 = 210,
24/30 = 24 × 7/30 × 7 = 168/210
Likewise, for the 2nd fraction, since 21 × 10 = 210,
32/21 = 32 × 10/21 × 10 = 320/210
Subtract the two like fractions:
168/210 - 320/210 = 168 - 320/210 = -152/210
After reducing the fraction, the answer is -76/105

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