Add 10/81 and 5/90
10/81 + 5/90 is 29/162.
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,
5/90 = 5 × 9/90 × 9 = 45/810 - Add the two like fractions:
100/810 + 45/810 = 100 + 45/810 = 145/810 - 145/810 simplified gives 29/162
- So, 10/81 + 5/90 = 29/162
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