Add 42/54 and 72/18
1st number: 42/54, 2nd number: 4 0/18
42/54 + 72/18 is 43/9.
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,
72/18 = 72 × 3/18 × 3 = 216/54 - Add the two like fractions:
42/54 + 216/54 = 42 + 216/54 = 258/54 - 258/54 simplified gives 43/9
- So, 42/54 + 72/18 = 43/9
In mixed form: 47/9
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