Add 30/84 and 81/14
1st number: 30/84, 2nd number: 5 11/14
30/84 + 81/14 is 43/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 14 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
30/84 = 30 × 1/84 × 1 = 30/84 - Likewise, for the 2nd fraction, since 14 × 6 = 84,
81/14 = 81 × 6/14 × 6 = 486/84 - Add the two like fractions:
30/84 + 486/84 = 30 + 486/84 = 516/84 - 516/84 simplified gives 43/7
- So, 30/84 + 81/14 = 43/7
In mixed form: 61/7
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