Subtract 42/36 from 20/35
1st number: 20/35, 2nd number: 1 6/36
20/35 - 42/36 is -25/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 36 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 35 × 36 = 1260,
20/35 = 20 × 36/35 × 36 = 720/1260 - Likewise, for the 2nd fraction, since 36 × 35 = 1260,
42/36 = 42 × 35/36 × 35 = 1470/1260 - Subtract the two like fractions:
720/1260 - 1470/1260 = 720 - 1470/1260 = -750/1260 - After reducing the fraction, the answer is -25/42
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