Add 18/7 and 28/27
1st number: 2 4/7, 2nd number: 1 1/27
18/7 + 28/27 is 682/189.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 27 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 7 × 27 = 189,
18/7 = 18 × 27/7 × 27 = 486/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
28/27 = 28 × 7/27 × 7 = 196/189 - Add the two like fractions:
486/189 + 196/189 = 486 + 196/189 = 682/189 - So, 18/7 + 28/27 = 682/189
In mixed form: 3115/189
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