Add 2/81 and 4/72
2/81 + 4/72 is 13/162.
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,
2/81 = 2 × 8/81 × 8 = 16/648 - Likewise, for the 2nd fraction, since 72 × 9 = 648,
4/72 = 4 × 9/72 × 9 = 36/648 - Add the two like fractions:
16/648 + 36/648 = 16 + 36/648 = 52/648 - 52/648 simplified gives 13/162
- So, 2/81 + 4/72 = 13/162
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