Subtract 36/12 from 6/42
1st number: 6/42, 2nd number: 3 0/12
6/42 - 36/12 is -20/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 42 × 2 = 84,
6/42 = 6 × 2/42 × 2 = 12/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
36/12 = 36 × 7/12 × 7 = 252/84 - Subtract the two like fractions:
12/84 - 252/84 = 12 - 252/84 = -240/84 - After reducing the fraction, the answer is -20/7
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