Subtract 42/18 from 35/80
1st number: 35/80, 2nd number: 2 6/18
35/80 - 42/18 is -91/48.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 18 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
35/80 = 35 × 9/80 × 9 = 315/720 - Likewise, for the 2nd fraction, since 18 × 40 = 720,
42/18 = 42 × 40/18 × 40 = 1680/720 - Subtract the two like fractions:
315/720 - 1680/720 = 315 - 1680/720 = -1365/720 - After reducing the fraction, the answer is -91/48
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