Add 20/84 and 12/27
20/84 + 12/27 is 43/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 27 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 84 × 9 = 756,
20/84 = 20 × 9/84 × 9 = 180/756 - Likewise, for the 2nd fraction, since 27 × 28 = 756,
12/27 = 12 × 28/27 × 28 = 336/756 - Add the two like fractions:
180/756 + 336/756 = 180 + 336/756 = 516/756 - 516/756 simplified gives 43/63
- So, 20/84 + 12/27 = 43/63
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