Subtract 90/72 from 8/36
1st number: 8/36, 2nd number: 1 18/72
8/36 - 90/72 is -37/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 36 × 2 = 72,
8/36 = 8 × 2/36 × 2 = 16/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
90/72 = 90 × 1/72 × 1 = 90/72 - Subtract the two like fractions:
16/72 - 90/72 = 16 - 90/72 = -74/72 - After reducing the fraction, the answer is -37/36
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