Add 10/81 and 6/90
10/81 + 6/90 is 77/405.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 90 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 81 × 10 = 810,
10/81 = 10 × 10/81 × 10 = 100/810 - Likewise, for the 2nd fraction, since 90 × 9 = 810,
6/90 = 6 × 9/90 × 9 = 54/810 - Add the two like fractions:
100/810 + 54/810 = 100 + 54/810 = 154/810 - 154/810 simplified gives 77/405
- So, 10/81 + 6/90 = 77/405
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