Subtract 15/50 from 4/80
4/80 - 15/50 is -1/4.
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,
4/80 = 4 × 5/80 × 5 = 20/400 - Likewise, for the 2nd fraction, since 50 × 8 = 400,
15/50 = 15 × 8/50 × 8 = 120/400 - Subtract the two like fractions:
20/400 - 120/400 = 20 - 120/400 = -100/400 - After reducing the fraction, the answer is -1/4
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