Subtract 18/28 from 9/60
9/60 - 18/28 is -69/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 28 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
9/60 = 9 × 7/60 × 7 = 63/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
18/28 = 18 × 15/28 × 15 = 270/420 - Subtract the two like fractions:
63/420 - 270/420 = 63 - 270/420 = -207/420 - After reducing the fraction, the answer is -69/140
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