Add 15/7 and 42/27
1st number: 2 1/7, 2nd number: 1 15/27
15/7 + 42/27 is 233/63.
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,
15/7 = 15 × 27/7 × 27 = 405/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
42/27 = 42 × 7/27 × 7 = 294/189 - Add the two like fractions:
405/189 + 294/189 = 405 + 294/189 = 699/189 - 699/189 simplified gives 233/63
- So, 15/7 + 42/27 = 233/63
In mixed form: 344/63
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