Add 5/90 and 7/81
5/90 + 7/81 is 23/162.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 81 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 90 × 9 = 810,
5/90 = 5 × 9/90 × 9 = 45/810 - Likewise, for the 2nd fraction, since 81 × 10 = 810,
7/81 = 7 × 10/81 × 10 = 70/810 - Add the two like fractions:
45/810 + 70/810 = 45 + 70/810 = 115/810 - 115/810 simplified gives 23/162
- So, 5/90 + 7/81 = 23/162
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