Add 20/54 and 21/18
1st number: 20/54, 2nd number: 1 3/18
20/54 + 21/18 is 83/54.
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,
20/54 = 20 × 1/54 × 1 = 20/54 - Likewise, for the 2nd fraction, since 18 × 3 = 54,
21/18 = 21 × 3/18 × 3 = 63/54 - Add the two like fractions:
20/54 + 63/54 = 20 + 63/54 = 83/54 - So, 20/54 + 21/18 = 83/54
In mixed form: 129/54
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