Add 90/81 and 20/50
1st number: 1 9/81, 2nd number: 20/50
90/81 + 20/50 is 68/45.
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,
90/81 = 90 × 50/81 × 50 = 4500/4050 - Likewise, for the 2nd fraction, since 50 × 81 = 4050,
20/50 = 20 × 81/50 × 81 = 1620/4050 - Add the two like fractions:
4500/4050 + 1620/4050 = 4500 + 1620/4050 = 6120/4050 - 6120/4050 simplified gives 68/45
- So, 90/81 + 20/50 = 68/45
In mixed form: 123/45
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