Add 90/81 and 50/20
1st number: 1 9/81, 2nd number: 2 10/20
90/81 + 50/20 is 65/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 20 is 1620
Next, find the equivalent fraction of both fractional numbers with denominator 1620 - For the 1st fraction, since 81 × 20 = 1620,
90/81 = 90 × 20/81 × 20 = 1800/1620 - Likewise, for the 2nd fraction, since 20 × 81 = 1620,
50/20 = 50 × 81/20 × 81 = 4050/1620 - Add the two like fractions:
1800/1620 + 4050/1620 = 1800 + 4050/1620 = 5850/1620 - 5850/1620 simplified gives 65/18
- So, 90/81 + 50/20 = 65/18
In mixed form: 311/18
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