Subtract 90/45 from 27/15
1st number: 1 12/15, 2nd number: 2 0/45
27/15 - 90/45 is -1/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 15 × 3 = 45,
27/15 = 27 × 3/15 × 3 = 81/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
90/45 = 90 × 1/45 × 1 = 90/45 - Subtract the two like fractions:
81/45 - 90/45 = 81 - 90/45 = -9/45 - After reducing the fraction, the answer is -1/5
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