Add 18/27 and 9/30
18/27 + 9/30 is 29/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 30 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 27 × 10 = 270,
18/27 = 18 × 10/27 × 10 = 180/270 - Likewise, for the 2nd fraction, since 30 × 9 = 270,
9/30 = 9 × 9/30 × 9 = 81/270 - Add the two like fractions:
180/270 + 81/270 = 180 + 81/270 = 261/270 - 261/270 simplified gives 29/30
- So, 18/27 + 9/30 = 29/30
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