Add 42/54 and 30/27
1st number: 42/54, 2nd number: 1 3/27
42/54 + 30/27 is 17/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 27 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 27 × 2 = 54,
30/27 = 30 × 2/27 × 2 = 60/54 - Add the two like fractions:
42/54 + 60/54 = 42 + 60/54 = 102/54 - 102/54 simplified gives 17/9
- So, 42/54 + 30/27 = 17/9
In mixed form: 18/9
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