Add 15/27 and 72/7
1st number: 15/27, 2nd number: 10 2/7
15/27 + 72/7 is 683/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 7 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 27 × 7 = 189,
15/27 = 15 × 7/27 × 7 = 105/189 - Likewise, for the 2nd fraction, since 7 × 27 = 189,
72/7 = 72 × 27/7 × 27 = 1944/189 - Add the two like fractions:
105/189 + 1944/189 = 105 + 1944/189 = 2049/189 - 2049/189 simplified gives 683/63
- So, 15/27 + 72/7 = 683/63
In mixed form: 1053/63
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