Add 42/12 and 90/54
1st number: 3 6/12, 2nd number: 1 36/54
42/12 + 90/54 is 31/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 54 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 54 × 2 = 108,
90/54 = 90 × 2/54 × 2 = 180/108 - Add the two like fractions:
378/108 + 180/108 = 378 + 180/108 = 558/108 - 558/108 simplified gives 31/6
- So, 42/12 + 90/54 = 31/6
In mixed form: 51/6
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