Subtract 54/42 from 6/9
1st number: 6/9, 2nd number: 1 12/42
6/9 - 54/42 is -13/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 42 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 9 × 14 = 126,
6/9 = 6 × 14/9 × 14 = 84/126 - Likewise, for the 2nd fraction, since 42 × 3 = 126,
54/42 = 54 × 3/42 × 3 = 162/126 - Subtract the two like fractions:
84/126 - 162/126 = 84 - 162/126 = -78/126 - After reducing the fraction, the answer is -13/21
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