Subtract 2/15 from 7/80
7/80 - 2/15 is -11/240.
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,
7/80 = 7 × 3/80 × 3 = 21/240 - Likewise, for the 2nd fraction, since 15 × 16 = 240,
2/15 = 2 × 16/15 × 16 = 32/240 - Subtract the two like fractions:
21/240 - 32/240 = 21 - 32/240 = -11/240
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