Add 20/84 and 28/49
20/84 + 28/49 is 17/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 49 is 588
Next, find the equivalent fraction of both fractional numbers with denominator 588 - For the 1st fraction, since 84 × 7 = 588,
20/84 = 20 × 7/84 × 7 = 140/588 - Likewise, for the 2nd fraction, since 49 × 12 = 588,
28/49 = 28 × 12/49 × 12 = 336/588 - Add the two like fractions:
140/588 + 336/588 = 140 + 336/588 = 476/588 - 476/588 simplified gives 17/21
- So, 20/84 + 28/49 = 17/21
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