Add 9/81 and 45/50
9/81 + 45/50 is 91/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 50 is 4050
Next, find the equivalent fraction of both fractional numbers with denominator 4050 - For the 1st fraction, since 81 × 50 = 4050,
9/81 = 9 × 50/81 × 50 = 450/4050 - Likewise, for the 2nd fraction, since 50 × 81 = 4050,
45/50 = 45 × 81/50 × 81 = 3645/4050 - Add the two like fractions:
450/4050 + 3645/4050 = 450 + 3645/4050 = 4095/4050 - 4095/4050 simplified gives 91/90
- So, 9/81 + 45/50 = 91/90
In mixed form: 11/90
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