Add 42/54 and 81/18
1st number: 42/54, 2nd number: 4 9/18
42/54 + 81/18 is 95/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 18 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 54 × 1 = 54,
42/54 = 42 × 1/54 × 1 = 42/54 - Likewise, for the 2nd fraction, since 18 × 3 = 54,
81/18 = 81 × 3/18 × 3 = 243/54 - Add the two like fractions:
42/54 + 243/54 = 42 + 243/54 = 285/54 - 285/54 simplified gives 95/18
- So, 42/54 + 81/18 = 95/18
In mixed form: 55/18
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