Subtract 49/60 from 20/30
20/30 - 49/60 is -3/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
20/30 = 20 × 2/30 × 2 = 40/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
49/60 = 49 × 1/60 × 1 = 49/60 - Subtract the two like fractions:
40/60 - 49/60 = 40 - 49/60 = -9/60 - After reducing the fraction, the answer is -3/20
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