Add 72/27 and 21/54
1st number: 2 18/27, 2nd number: 21/54
72/27 + 21/54 is 55/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 54 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 27 × 2 = 54,
72/27 = 72 × 2/27 × 2 = 144/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
21/54 = 21 × 1/54 × 1 = 21/54 - Add the two like fractions:
144/54 + 21/54 = 144 + 21/54 = 165/54 - 165/54 simplified gives 55/18
- So, 72/27 + 21/54 = 55/18
In mixed form: 31/18
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