Add 81/36 and 42/54
1st number: 2 9/36, 2nd number: 42/54
81/36 + 42/54 is 109/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 54 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 36 × 3 = 108,
81/36 = 81 × 3/36 × 3 = 243/108 - Likewise, for the 2nd fraction, since 54 × 2 = 108,
42/54 = 42 × 2/54 × 2 = 84/108 - Add the two like fractions:
243/108 + 84/108 = 243 + 84/108 = 327/108 - 327/108 simplified gives 109/36
- So, 81/36 + 42/54 = 109/36
In mixed form: 31/36
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