Add 3/18 and 21/27
3/18 + 21/27 is 17/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 27 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 18 × 3 = 54,
3/18 = 3 × 3/18 × 3 = 9/54 - Likewise, for the 2nd fraction, since 27 × 2 = 54,
21/27 = 21 × 2/27 × 2 = 42/54 - Add the two like fractions:
9/54 + 42/54 = 9 + 42/54 = 51/54 - 51/54 simplified gives 17/18
- So, 3/18 + 21/27 = 17/18
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