Add 81/84 and 56/49
1st number: 81/84, 2nd number: 1 7/49
81/84 + 56/49 is 59/28.
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,
81/84 = 81 × 7/84 × 7 = 567/588 - Likewise, for the 2nd fraction, since 49 × 12 = 588,
56/49 = 56 × 12/49 × 12 = 672/588 - Add the two like fractions:
567/588 + 672/588 = 567 + 672/588 = 1239/588 - 1239/588 simplified gives 59/28
- So, 81/84 + 56/49 = 59/28
In mixed form: 23/28
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