Subtract 40/84 from 54/12
1st number: 4 6/12, 2nd number: 40/84
54/12 - 40/84 is 169/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
54/12 = 54 × 7/12 × 7 = 378/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
40/84 = 40 × 1/84 × 1 = 40/84 - Subtract the two like fractions:
378/84 - 40/84 = 378 - 40/84 = 338/84 - After reducing the fraction, the answer is 169/42
- In mixed form: 41/42
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