Add 20/84 and 81/49
1st number: 20/84, 2nd number: 1 32/49
20/84 + 81/49 is 278/147.
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,
81/49 = 81 × 12/49 × 12 = 972/588 - Add the two like fractions:
140/588 + 972/588 = 140 + 972/588 = 1112/588 - 1112/588 simplified gives 278/147
- So, 20/84 + 81/49 = 278/147
In mixed form: 1131/147
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