Add 18/81 and 90/50
1st number: 18/81, 2nd number: 1 40/50
18/81 + 90/50 is 91/45.
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,
18/81 = 18 × 50/81 × 50 = 900/4050 - Likewise, for the 2nd fraction, since 50 × 81 = 4050,
90/50 = 90 × 81/50 × 81 = 7290/4050 - Add the two like fractions:
900/4050 + 7290/4050 = 900 + 7290/4050 = 8190/4050 - 8190/4050 simplified gives 91/45
- So, 18/81 + 90/50 = 91/45
In mixed form: 21/45
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