Add 80/7 and 45/27
1st number: 11 3/7, 2nd number: 1 18/27
80/7 + 45/27 is 275/21.
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,
80/7 = 80 × 27/7 × 27 = 2160/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
45/27 = 45 × 7/27 × 7 = 315/189 - Add the two like fractions:
2160/189 + 315/189 = 2160 + 315/189 = 2475/189 - 2475/189 simplified gives 275/21
- So, 80/7 + 45/27 = 275/21
In mixed form: 132/21
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