Subtract 90/28 from 42/8
1st number: 5 2/8, 2nd number: 3 6/28
42/8 - 90/28 is 57/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 28 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 8 × 7 = 56,
42/8 = 42 × 7/8 × 7 = 294/56 - Likewise, for the 2nd fraction, since 28 × 2 = 56,
90/28 = 90 × 2/28 × 2 = 180/56 - Subtract the two like fractions:
294/56 - 180/56 = 294 - 180/56 = 114/56 - After reducing the fraction, the answer is 57/28
- In mixed form: 21/28
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