Subtract 90/28 from 3/2
1st number: 1 1/2, 2nd number: 3 6/28
3/2 - 90/28 is -12/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 28 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 2 × 14 = 28,
3/2 = 3 × 14/2 × 14 = 42/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
90/28 = 90 × 1/28 × 1 = 90/28 - Subtract the two like fractions:
42/28 - 90/28 = 42 - 90/28 = -48/28 - After reducing the fraction, the answer is -12/7
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