Subtract 90/35 from 15/12
1st number: 1 3/12, 2nd number: 2 20/35
15/12 - 90/35 is -37/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 35 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 12 × 35 = 420,
15/12 = 15 × 35/12 × 35 = 525/420 - Likewise, for the 2nd fraction, since 35 × 12 = 420,
90/35 = 90 × 12/35 × 12 = 1080/420 - Subtract the two like fractions:
525/420 - 1080/420 = 525 - 1080/420 = -555/420 - After reducing the fraction, the answer is -37/28
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