Add 72/81 and 7/24
72/81 + 7/24 is 85/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 24 is 648
Next, find the equivalent fraction of both fractional numbers with denominator 648 - For the 1st fraction, since 81 × 8 = 648,
72/81 = 72 × 8/81 × 8 = 576/648 - Likewise, for the 2nd fraction, since 24 × 27 = 648,
7/24 = 7 × 27/24 × 27 = 189/648 - Add the two like fractions:
576/648 + 189/648 = 576 + 189/648 = 765/648 - 765/648 simplified gives 85/72
- So, 72/81 + 7/24 = 85/72
In mixed form: 113/72
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