Subtract 49/42 from 40/14
1st number: 2 12/14, 2nd number: 1 7/42
40/14 - 49/42 is 71/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 14 × 3 = 42,
40/14 = 40 × 3/14 × 3 = 120/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
49/42 = 49 × 1/42 × 1 = 49/42 - Subtract the two like fractions:
120/42 - 49/42 = 120 - 49/42 = 71/42 - In mixed form: 129/42
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