Add 70/4 and 4/81
1st number: 17 2/4, 2nd number: 4/81
70/4 + 4/81 is 2843/162.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 81 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 4 × 81 = 324,
70/4 = 70 × 81/4 × 81 = 5670/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
4/81 = 4 × 4/81 × 4 = 16/324 - Add the two like fractions:
5670/324 + 16/324 = 5670 + 16/324 = 5686/324 - 5686/324 simplified gives 2843/162
- So, 70/4 + 4/81 = 2843/162
In mixed form: 1789/162
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