Subtract 15/80 from 12/50
12/50 - 15/80 is 21/400.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 80 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 50 × 8 = 400,
12/50 = 12 × 8/50 × 8 = 96/400 - Likewise, for the 2nd fraction, since 80 × 5 = 400,
15/80 = 15 × 5/80 × 5 = 75/400 - Subtract the two like fractions:
96/400 - 75/400 = 96 - 75/400 = 21/400
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