Subtract 63/72 from 18/48
18/48 - 63/72 is -1/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 72 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 48 × 3 = 144,
18/48 = 18 × 3/48 × 3 = 54/144 - Likewise, for the 2nd fraction, since 72 × 2 = 144,
63/72 = 63 × 2/72 × 2 = 126/144 - Subtract the two like fractions:
54/144 - 126/144 = 54 - 126/144 = -72/144 - After reducing the fraction, the answer is -1/2
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