Add 10/81 and 12/72
10/81 + 12/72 is 47/162.
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,
10/81 = 10 × 8/81 × 8 = 80/648 - Likewise, for the 2nd fraction, since 72 × 9 = 648,
12/72 = 12 × 9/72 × 9 = 108/648 - Add the two like fractions:
80/648 + 108/648 = 80 + 108/648 = 188/648 - 188/648 simplified gives 47/162
- So, 10/81 + 12/72 = 47/162
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