Add 16/81 and 45/90
16/81 + 45/90 is 113/162.
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,
16/81 = 16 × 10/81 × 10 = 160/810 - Likewise, for the 2nd fraction, since 90 × 9 = 810,
45/90 = 45 × 9/90 × 9 = 405/810 - Add the two like fractions:
160/810 + 405/810 = 160 + 405/810 = 565/810 - 565/810 simplified gives 113/162
- So, 16/81 + 45/90 = 113/162
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