Add 81/84 and 14/7
1st number: 81/84, 2nd number: 2 0/7
81/84 + 14/7 is 83/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 7 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
81/84 = 81 × 1/84 × 1 = 81/84 - Likewise, for the 2nd fraction, since 7 × 12 = 84,
14/7 = 14 × 12/7 × 12 = 168/84 - Add the two like fractions:
81/84 + 168/84 = 81 + 168/84 = 249/84 - 249/84 simplified gives 83/28
- So, 81/84 + 14/7 = 83/28
In mixed form: 227/28
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