Add 10/81 and 60/90
10/81 + 60/90 is 64/81.
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,
60/90 = 60 × 9/90 × 9 = 540/810 - Add the two like fractions:
100/810 + 540/810 = 100 + 540/810 = 640/810 - 640/810 simplified gives 64/81
- So, 10/81 + 60/90 = 64/81
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