Subtract 63/72 from 18/60
18/60 - 63/72 is -23/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 60 × 6 = 360,
18/60 = 18 × 6/60 × 6 = 108/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
63/72 = 63 × 5/72 × 5 = 315/360 - Subtract the two like fractions:
108/360 - 315/360 = 108 - 315/360 = -207/360 - After reducing the fraction, the answer is -23/40
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