Add 18/72 and 2/81
18/72 + 2/81 is 89/324.
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,
18/72 = 18 × 9/72 × 9 = 162/648 - Likewise, for the 2nd fraction, since 81 × 8 = 648,
2/81 = 2 × 8/81 × 8 = 16/648 - Add the two like fractions:
162/648 + 16/648 = 162 + 16/648 = 178/648 - 178/648 simplified gives 89/324
- So, 18/72 + 2/81 = 89/324
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