Add 80/72 and 35/81
1st number: 1 8/72, 2nd number: 35/81
80/72 + 35/81 is 125/81.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 81 is 648
Next, find the equivalent fraction of both fractional numbers with denominator 648 - For the 1st fraction, since 72 × 9 = 648,
80/72 = 80 × 9/72 × 9 = 720/648 - Likewise, for the 2nd fraction, since 81 × 8 = 648,
35/81 = 35 × 8/81 × 8 = 280/648 - Add the two like fractions:
720/648 + 280/648 = 720 + 280/648 = 1000/648 - 1000/648 simplified gives 125/81
- So, 80/72 + 35/81 = 125/81
In mixed form: 144/81
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