Subtract 63/72 from 18/36
18/36 - 63/72 is -3/8.
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,
18/36 = 18 × 2/36 × 2 = 36/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
63/72 = 63 × 1/72 × 1 = 63/72 - Subtract the two like fractions:
36/72 - 63/72 = 36 - 63/72 = -27/72 - After reducing the fraction, the answer is -3/8
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