Add 72/54 and 81/12
1st number: 1 18/54, 2nd number: 6 9/12
72/54 + 81/12 is 97/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 12 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 54 × 2 = 108,
72/54 = 72 × 2/54 × 2 = 144/108 - Likewise, for the 2nd fraction, since 12 × 9 = 108,
81/12 = 81 × 9/12 × 9 = 729/108 - Add the two like fractions:
144/108 + 729/108 = 144 + 729/108 = 873/108 - 873/108 simplified gives 97/12
- So, 72/54 + 81/12 = 97/12
In mixed form: 81/12
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