Add 20/84 and 15/49
20/84 + 15/49 is 80/147.
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,
15/49 = 15 × 12/49 × 12 = 180/588 - Add the two like fractions:
140/588 + 180/588 = 140 + 180/588 = 320/588 - 320/588 simplified gives 80/147
- So, 20/84 + 15/49 = 80/147
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