Subtract 28/60 from 4/80
4/80 - 28/60 is -5/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 60 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
4/80 = 4 × 3/80 × 3 = 12/240 - Likewise, for the 2nd fraction, since 60 × 4 = 240,
28/60 = 28 × 4/60 × 4 = 112/240 - Subtract the two like fractions:
12/240 - 112/240 = 12 - 112/240 = -100/240 - After reducing the fraction, the answer is -5/12
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