Subtract 72/63 from 4/24, Solve 4/24

Subtract 72/63 from 4/24

1^st number: 4/24, 2^nd number: 1 9/63

4/24 - 72/63 is -41/42.

Find the least common denominator or LCM of the two denominators:
LCM of 24 and 63 is 504

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 24 × 21 = 504,
4/24 = 4 × 21/24 × 21 = 84/504
Likewise, for the 2nd fraction, since 63 × 8 = 504,
72/63 = 72 × 8/63 × 8 = 576/504
Subtract the two like fractions:
84/504 - 576/504 = 84 - 576/504 = -492/504
After reducing the fraction, the answer is -41/42

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