Add 18/20 and 15/18
18/20 + 15/18 is 26/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 18 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
18/20 = 18 × 9/20 × 9 = 162/180 - Likewise, for the 2nd fraction, since 18 × 10 = 180,
15/18 = 15 × 10/18 × 10 = 150/180 - Add the two like fractions:
162/180 + 150/180 = 162 + 150/180 = 312/180 - 312/180 simplified gives 26/15
- So, 18/20 + 15/18 = 26/15
In mixed form: 111/15
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