Subtract 45/72 from 20/60
20/60 - 45/72 is -7/24.
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,
20/60 = 20 × 6/60 × 6 = 120/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
45/72 = 45 × 5/72 × 5 = 225/360 - Subtract the two like fractions:
120/360 - 225/360 = 120 - 225/360 = -105/360 - After reducing the fraction, the answer is -7/24
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