Subtract 18/60 from 9/72
9/72 - 18/60 is -7/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 60 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
9/72 = 9 × 5/72 × 5 = 45/360 - Likewise, for the 2nd fraction, since 60 × 6 = 360,
18/60 = 18 × 6/60 × 6 = 108/360 - Subtract the two like fractions:
45/360 - 108/360 = 45 - 108/360 = -63/360 - After reducing the fraction, the answer is -7/40
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