Add 20/27 and 80/42
1st number: 20/27, 2nd number: 1 38/42
20/27 + 80/42 is 500/189.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 42 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 27 × 14 = 378,
20/27 = 20 × 14/27 × 14 = 280/378 - Likewise, for the 2nd fraction, since 42 × 9 = 378,
80/42 = 80 × 9/42 × 9 = 720/378 - Add the two like fractions:
280/378 + 720/378 = 280 + 720/378 = 1000/378 - 1000/378 simplified gives 500/189
- So, 20/27 + 80/42 = 500/189
In mixed form: 2122/189
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