Add 84/28 and 40/81
1st number: 3 0/28, 2nd number: 40/81
84/28 + 40/81 is 283/81.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 81 is 2268
Next, find the equivalent fraction of both fractional numbers with denominator 2268 - For the 1st fraction, since 28 × 81 = 2268,
84/28 = 84 × 81/28 × 81 = 6804/2268 - Likewise, for the 2nd fraction, since 81 × 28 = 2268,
40/81 = 40 × 28/81 × 28 = 1120/2268 - Add the two like fractions:
6804/2268 + 1120/2268 = 6804 + 1120/2268 = 7924/2268 - 7924/2268 simplified gives 283/81
- So, 84/28 + 40/81 = 283/81
In mixed form: 340/81
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