Subtract 90/28 from 6/8
1st number: 6/8, 2nd number: 3 6/28
6/8 - 90/28 is -69/28.
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,
6/8 = 6 × 7/8 × 7 = 42/56 - Likewise, for the 2nd fraction, since 28 × 2 = 56,
90/28 = 90 × 2/28 × 2 = 180/56 - Subtract the two like fractions:
42/56 - 180/56 = 42 - 180/56 = -138/56 - After reducing the fraction, the answer is -69/28
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