Add 70/81 and 72/54
1st number: 70/81, 2nd number: 1 18/54
70/81 + 72/54 is 178/81.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 54 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 81 × 2 = 162,
70/81 = 70 × 2/81 × 2 = 140/162 - Likewise, for the 2nd fraction, since 54 × 3 = 162,
72/54 = 72 × 3/54 × 3 = 216/162 - Add the two like fractions:
140/162 + 216/162 = 140 + 216/162 = 356/162 - 356/162 simplified gives 178/81
- So, 70/81 + 72/54 = 178/81
In mixed form: 216/81
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