Add 84/20 and 84/81
1st number: 4 4/20, 2nd number: 1 3/81
84/20 + 84/81 is 707/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 81 is 1620
Next, find the equivalent fraction of both fractional numbers with denominator 1620 - For the 1st fraction, since 20 × 81 = 1620,
84/20 = 84 × 81/20 × 81 = 6804/1620 - Likewise, for the 2nd fraction, since 81 × 20 = 1620,
84/81 = 84 × 20/81 × 20 = 1680/1620 - Add the two like fractions:
6804/1620 + 1680/1620 = 6804 + 1680/1620 = 8484/1620 - 8484/1620 simplified gives 707/135
- So, 84/20 + 84/81 = 707/135
In mixed form: 532/135
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