Add 18/20 and 27/30
18/20 + 27/30 is 9/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
18/20 = 18 × 3/20 × 3 = 54/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
27/30 = 27 × 2/30 × 2 = 54/60 - Add the two like fractions:
54/60 + 54/60 = 54 + 54/60 = 108/60 - 108/60 simplified gives 9/5
- So, 18/20 + 27/30 = 9/5
In mixed form: 14/5
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