Subtract 20/60 from 12/48
12/48 - 20/60 is -1/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 60 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 48 × 5 = 240,
12/48 = 12 × 5/48 × 5 = 60/240 - Likewise, for the 2nd fraction, since 60 × 4 = 240,
20/60 = 20 × 4/60 × 4 = 80/240 - Subtract the two like fractions:
60/240 - 80/240 = 60 - 80/240 = -20/240 - After reducing the fraction, the answer is -1/12
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