Add 16/72 and 2/81
16/72 + 2/81 is 20/81.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 81 is 648
Next, find the equivalent fraction of both fractional numbers with denominator 648 - For the 1st fraction, since 72 × 9 = 648,
16/72 = 16 × 9/72 × 9 = 144/648 - Likewise, for the 2nd fraction, since 81 × 8 = 648,
2/81 = 2 × 8/81 × 8 = 16/648 - Add the two like fractions:
144/648 + 16/648 = 144 + 16/648 = 160/648 - 160/648 simplified gives 20/81
- So, 16/72 + 2/81 = 20/81
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