Add 90/81 and 20/35
1st number: 1 9/81, 2nd number: 20/35
90/81 + 20/35 is 106/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 35 is 2835
Next, find the equivalent fraction of both fractional numbers with denominator 2835 - For the 1st fraction, since 81 × 35 = 2835,
90/81 = 90 × 35/81 × 35 = 3150/2835 - Likewise, for the 2nd fraction, since 35 × 81 = 2835,
20/35 = 20 × 81/35 × 81 = 1620/2835 - Add the two like fractions:
3150/2835 + 1620/2835 = 3150 + 1620/2835 = 4770/2835 - 4770/2835 simplified gives 106/63
- So, 90/81 + 20/35 = 106/63
In mixed form: 143/63
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