Subtract 81/84 from 70/12
1st number: 5 10/12, 2nd number: 81/84
70/12 - 81/84 is 409/84.
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,
70/12 = 70 × 7/12 × 7 = 490/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
81/84 = 81 × 1/84 × 1 = 81/84 - Subtract the two like fractions:
490/84 - 81/84 = 490 - 81/84 = 409/84 - In mixed form: 473/84
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