Add 84/56 and 20/81
1st number: 1 28/56, 2nd number: 20/81
84/56 + 20/81 is 283/162.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 81 is 4536
Next, find the equivalent fraction of both fractional numbers with denominator 4536 - For the 1st fraction, since 56 × 81 = 4536,
84/56 = 84 × 81/56 × 81 = 6804/4536 - Likewise, for the 2nd fraction, since 81 × 56 = 4536,
20/81 = 20 × 56/81 × 56 = 1120/4536 - Add the two like fractions:
6804/4536 + 1120/4536 = 6804 + 1120/4536 = 7924/4536 - 7924/4536 simplified gives 283/162
- So, 84/56 + 20/81 = 283/162
In mixed form: 1121/162
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