Add 70/54 and 20/81
1st number: 1 16/54, 2nd number: 20/81
70/54 + 20/81 is 125/81.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 81 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 54 × 3 = 162,
70/54 = 70 × 3/54 × 3 = 210/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
20/81 = 20 × 2/81 × 2 = 40/162 - Add the two like fractions:
210/162 + 40/162 = 210 + 40/162 = 250/162 - 250/162 simplified gives 125/81
- So, 70/54 + 20/81 = 125/81
In mixed form: 144/81
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