Add 21/54 and 3/18
21/54 + 3/18 is 5/9.
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,
21/54 = 21 × 1/54 × 1 = 21/54 - Likewise, for the 2nd fraction, since 18 × 3 = 54,
3/18 = 3 × 3/18 × 3 = 9/54 - Add the two like fractions:
21/54 + 9/54 = 21 + 9/54 = 30/54 - 30/54 simplified gives 5/9
- So, 21/54 + 3/18 = 5/9
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