Add 9/81 and 7/10
9/81 + 7/10 is 73/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 10 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 81 × 10 = 810,
9/81 = 9 × 10/81 × 10 = 90/810 - Likewise, for the 2nd fraction, since 10 × 81 = 810,
7/10 = 7 × 81/10 × 81 = 567/810 - Add the two like fractions:
90/810 + 567/810 = 90 + 567/810 = 657/810 - 657/810 simplified gives 73/90
- So, 9/81 + 7/10 = 73/90
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