Subtract 15/27 from 7/60
7/60 - 15/27 is -79/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 27 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 60 × 9 = 540,
7/60 = 7 × 9/60 × 9 = 63/540 - Likewise, for the 2nd fraction, since 27 × 20 = 540,
15/27 = 15 × 20/27 × 20 = 300/540 - Subtract the two like fractions:
63/540 - 300/540 = 63 - 300/540 = -237/540 - After reducing the fraction, the answer is -79/180
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