Subtract 63/7 from 18/24, Solve 18/24

Subtract 63/7 from 18/24

1^st number: 18/24, 2^nd number: 9 0/7

18/24 - 63/7 is -33/4.

Find the least common denominator or LCM of the two denominators:
LCM of 24 and 7 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 24 × 7 = 168,
18/24 = 18 × 7/24 × 7 = 126/168
Likewise, for the 2nd fraction, since 7 × 24 = 168,
63/7 = 63 × 24/7 × 24 = 1512/168
Subtract the two like fractions:
126/168 - 1512/168 = 126 - 1512/168 = -1386/168
After reducing the fraction, the answer is -33/4

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