Subtract 90/56 from 12/4
1st number: 3 0/4, 2nd number: 1 34/56
12/4 - 90/56 is 39/28.
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,
12/4 = 12 × 14/4 × 14 = 168/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
90/56 = 90 × 1/56 × 1 = 90/56 - Subtract the two like fractions:
168/56 - 90/56 = 168 - 90/56 = 78/56 - After reducing the fraction, the answer is 39/28
- In mixed form: 111/28
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