Subtract 49/80 from 35/72
35/72 - 49/80 is -91/720.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 72 × 10 = 720,
35/72 = 35 × 10/72 × 10 = 350/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
49/80 = 49 × 9/80 × 9 = 441/720 - Subtract the two like fractions:
350/720 - 441/720 = 350 - 441/720 = -91/720
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