Add 84/49 and 21/81
1st number: 1 35/49, 2nd number: 21/81
84/49 + 21/81 is 373/189.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 81 is 3969
Next, find the equivalent fraction of both fractional numbers with denominator 3969 - For the 1st fraction, since 49 × 81 = 3969,
84/49 = 84 × 81/49 × 81 = 6804/3969 - Likewise, for the 2nd fraction, since 81 × 49 = 3969,
21/81 = 21 × 49/81 × 49 = 1029/3969 - Add the two like fractions:
6804/3969 + 1029/3969 = 6804 + 1029/3969 = 7833/3969 - 7833/3969 simplified gives 373/189
- So, 84/49 + 21/81 = 373/189
In mixed form: 1184/189
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