Subtract 10/50 from 12/80
12/80 - 10/50 is -1/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 50 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 80 × 5 = 400,
12/80 = 12 × 5/80 × 5 = 60/400 - Likewise, for the 2nd fraction, since 50 × 8 = 400,
10/50 = 10 × 8/50 × 8 = 80/400 - Subtract the two like fractions:
60/400 - 80/400 = 60 - 80/400 = -20/400 - After reducing the fraction, the answer is -1/20
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