Add 70/28 and 2/81
1st number: 2 14/28, 2nd number: 2/81
70/28 + 2/81 is 409/162.
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,
70/28 = 70 × 81/28 × 81 = 5670/2268 - Likewise, for the 2nd fraction, since 81 × 28 = 2268,
2/81 = 2 × 28/81 × 28 = 56/2268 - Add the two like fractions:
5670/2268 + 56/2268 = 5670 + 56/2268 = 5726/2268 - 5726/2268 simplified gives 409/162
- So, 70/28 + 2/81 = 409/162
In mixed form: 285/162
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