Add 27/54 and 20/84
27/54 + 20/84 is 31/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 84 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 54 × 14 = 756,
27/54 = 27 × 14/54 × 14 = 378/756 - Likewise, for the 2nd fraction, since 84 × 9 = 756,
20/84 = 20 × 9/84 × 9 = 180/756 - Add the two like fractions:
378/756 + 180/756 = 378 + 180/756 = 558/756 - 558/756 simplified gives 31/42
- So, 27/54 + 20/84 = 31/42
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