Add 21/54 and 5/18
21/54 + 5/18 is 2/3.
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,
21/54 = 21 × 1/54 × 1 = 21/54 - Likewise, for the 2nd fraction, since 18 × 3 = 54,
5/18 = 5 × 3/18 × 3 = 15/54 - Add the two like fractions:
21/54 + 15/54 = 21 + 15/54 = 36/54 - 36/54 simplified gives 2/3
- So, 21/54 + 5/18 = 2/3
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