Subtract 1/24 from 72/42
1st number: 1 30/42, 2nd number: 1/24
72/42 - 1/24 is 281/168.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 42 × 4 = 168,
72/42 = 72 × 4/42 × 4 = 288/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
1/24 = 1 × 7/24 × 7 = 7/168 - Subtract the two like fractions:
288/168 - 7/168 = 288 - 7/168 = 281/168 - In mixed form: 1113/168
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