Subtract 8/15 from 15/80
15/80 - 8/15 is -83/240.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 15 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
15/80 = 15 × 3/80 × 3 = 45/240 - Likewise, for the 2nd fraction, since 15 × 16 = 240,
8/15 = 8 × 16/15 × 16 = 128/240 - Subtract the two like fractions:
45/240 - 128/240 = 45 - 128/240 = -83/240
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