Add 70/12 and 81/84
1st number: 5 10/12, 2nd number: 81/84
70/12 + 81/84 is 571/84.
Steps for adding 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 - Add the two like fractions:
490/84 + 81/84 = 490 + 81/84 = 571/84 - So, 70/12 + 81/84 = 571/84
In mixed form: 667/84
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