Add 3/81 and 4/72
3/81 + 4/72 is 5/54.
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,
3/81 = 3 × 8/81 × 8 = 24/648 - Likewise, for the 2nd fraction, since 72 × 9 = 648,
4/72 = 4 × 9/72 × 9 = 36/648 - Add the two like fractions:
24/648 + 36/648 = 24 + 36/648 = 60/648 - 60/648 simplified gives 5/54
- So, 3/81 + 4/72 = 5/54
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