Subtract 40/36 from 42/14
1st number: 3 0/14, 2nd number: 1 4/36
42/14 - 40/36 is 17/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 14 × 18 = 252,
42/14 = 42 × 18/14 × 18 = 756/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
40/36 = 40 × 7/36 × 7 = 280/252 - Subtract the two like fractions:
756/252 - 280/252 = 756 - 280/252 = 476/252 - After reducing the fraction, the answer is 17/9
- In mixed form: 18/9
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