Add 84/81 and 7/49
1st number: 1 3/81, 2nd number: 7/49
84/81 + 7/49 is 223/189.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 49 is 3969
Next, find the equivalent fraction of both fractional numbers with denominator 3969 - For the 1st fraction, since 81 × 49 = 3969,
84/81 = 84 × 49/81 × 49 = 4116/3969 - Likewise, for the 2nd fraction, since 49 × 81 = 3969,
7/49 = 7 × 81/49 × 81 = 567/3969 - Add the two like fractions:
4116/3969 + 567/3969 = 4116 + 567/3969 = 4683/3969 - 4683/3969 simplified gives 223/189
- So, 84/81 + 7/49 = 223/189
In mixed form: 134/189
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