Add 10/81 and 7/8
10/81 + 7/8 is 647/648.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 8 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 8 × 81 = 648,
7/8 = 7 × 81/8 × 81 = 567/648 - Add the two like fractions:
80/648 + 567/648 = 80 + 567/648 = 647/648 - So, 10/81 + 7/8 = 647/648
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