Subtract 7/36 from 15/90
15/90 - 7/36 is -1/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
15/90 = 15 × 2/90 × 2 = 30/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
7/36 = 7 × 5/36 × 5 = 35/180 - Subtract the two like fractions:
30/180 - 35/180 = 30 - 35/180 = -5/180 - After reducing the fraction, the answer is -1/36
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