Add 20/24 and 70/81
20/24 + 70/81 is 275/162.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 81 is 648
Next, find the equivalent fraction of both fractional numbers with denominator 648 - For the 1st fraction, since 24 × 27 = 648,
20/24 = 20 × 27/24 × 27 = 540/648 - Likewise, for the 2nd fraction, since 81 × 8 = 648,
70/81 = 70 × 8/81 × 8 = 560/648 - Add the two like fractions:
540/648 + 560/648 = 540 + 560/648 = 1100/648 - 1100/648 simplified gives 275/162
- So, 20/24 + 70/81 = 275/162
In mixed form: 1113/162
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