Add 42/12 and 80/27
1st number: 3 6/12, 2nd number: 2 26/27
42/12 + 80/27 is 349/54.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 27 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 12 × 9 = 108,
42/12 = 42 × 9/12 × 9 = 378/108 - Likewise, for the 2nd fraction, since 27 × 4 = 108,
80/27 = 80 × 4/27 × 4 = 320/108 - Add the two like fractions:
378/108 + 320/108 = 378 + 320/108 = 698/108 - 698/108 simplified gives 349/54
- So, 42/12 + 80/27 = 349/54
In mixed form: 625/54
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