Subtract 40/84 from 72/6
1st number: 12 0/6, 2nd number: 40/84
72/6 - 40/84 is 242/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 6 × 14 = 84,
72/6 = 72 × 14/6 × 14 = 1008/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
40/84 = 40 × 1/84 × 1 = 40/84 - Subtract the two like fractions:
1008/84 - 40/84 = 1008 - 40/84 = 968/84 - After reducing the fraction, the answer is 242/21
- In mixed form: 1111/21
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