Add 8/28 and 20/84
8/28 + 20/84 is 11/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
8/28 = 8 × 3/28 × 3 = 24/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
20/84 = 20 × 1/84 × 1 = 20/84 - Add the two like fractions:
24/84 + 20/84 = 24 + 20/84 = 44/84 - 44/84 simplified gives 11/21
- So, 8/28 + 20/84 = 11/21
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