Add 7/81 and 6/72
7/81 + 6/72 is 55/324.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 72 is 648
Next, find the equivalent fraction of both fractional numbers with denominator 648 - For the 1st fraction, since 81 × 8 = 648,
7/81 = 7 × 8/81 × 8 = 56/648 - Likewise, for the 2nd fraction, since 72 × 9 = 648,
6/72 = 6 × 9/72 × 9 = 54/648 - Add the two like fractions:
56/648 + 54/648 = 56 + 54/648 = 110/648 - 110/648 simplified gives 55/324
- So, 7/81 + 6/72 = 55/324
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