Subtract 42/56 from 72/4
1st number: 18 0/4, 2nd number: 42/56
72/4 - 42/56 is 69/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 4 × 14 = 56,
72/4 = 72 × 14/4 × 14 = 1008/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
42/56 = 42 × 1/56 × 1 = 42/56 - Subtract the two like fractions:
1008/56 - 42/56 = 1008 - 42/56 = 966/56 - After reducing the fraction, the answer is 69/4
- In mixed form: 171/4
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