Add 18/12 and 90/54
1st number: 1 6/12, 2nd number: 1 36/54
18/12 + 90/54 is 19/6.
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,
18/12 = 18 × 9/12 × 9 = 162/108 - Likewise, for the 2nd fraction, since 54 × 2 = 108,
90/54 = 90 × 2/54 × 2 = 180/108 - Add the two like fractions:
162/108 + 180/108 = 162 + 180/108 = 342/108 - 342/108 simplified gives 19/6
- So, 18/12 + 90/54 = 19/6
In mixed form: 31/6
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