Subtract 42/35 from 7/27
1st number: 7/27, 2nd number: 1 7/35
7/27 - 42/35 is -127/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 35 is 945
Next, find the equivalent fraction of both fractional numbers with denominator 945 - For the 1st fraction, since 27 × 35 = 945,
7/27 = 7 × 35/27 × 35 = 245/945 - Likewise, for the 2nd fraction, since 35 × 27 = 945,
42/35 = 42 × 27/35 × 27 = 1134/945 - Subtract the two like fractions:
245/945 - 1134/945 = 245 - 1134/945 = -889/945 - After reducing the fraction, the answer is -127/135
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