Add 84/56 and 7/81
1st number: 1 28/56, 2nd number: 7/81
84/56 + 7/81 is 257/162.
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,
7/81 = 7 × 56/81 × 56 = 392/4536 - Add the two like fractions:
6804/4536 + 392/4536 = 6804 + 392/4536 = 7196/4536 - 7196/4536 simplified gives 257/162
- So, 84/56 + 7/81 = 257/162
In mixed form: 195/162
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