Subtract 21/24 from 72/4
1st number: 18 0/4, 2nd number: 21/24
72/4 - 21/24 is 137/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 24 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 4 × 6 = 24,
72/4 = 72 × 6/4 × 6 = 432/24 - Likewise, for the 2nd fraction, since 24 × 1 = 24,
21/24 = 21 × 1/24 × 1 = 21/24 - Subtract the two like fractions:
432/24 - 21/24 = 432 - 21/24 = 411/24 - After reducing the fraction, the answer is 137/8
- In mixed form: 171/8
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