Add 20/84 and 15/18
20/84 + 15/18 is 15/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 18 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
20/84 = 20 × 3/84 × 3 = 60/252 - Likewise, for the 2nd fraction, since 18 × 14 = 252,
15/18 = 15 × 14/18 × 14 = 210/252 - Add the two like fractions:
60/252 + 210/252 = 60 + 210/252 = 270/252 - 270/252 simplified gives 15/14
- So, 20/84 + 15/18 = 15/14
In mixed form: 11/14
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