Subtract 90/56 from 72/4
1st number: 18 0/4, 2nd number: 1 34/56
72/4 - 90/56 is 459/28.
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,
90/56 = 90 × 1/56 × 1 = 90/56 - Subtract the two like fractions:
1008/56 - 90/56 = 1008 - 90/56 = 918/56 - After reducing the fraction, the answer is 459/28
- In mixed form: 1611/28
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