Add 90/84 and 20/9
1st number: 1 6/84, 2nd number: 2 2/9
90/84 + 20/9 is 415/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 9 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
90/84 = 90 × 3/84 × 3 = 270/252 - Likewise, for the 2nd fraction, since 9 × 28 = 252,
20/9 = 20 × 28/9 × 28 = 560/252 - Add the two like fractions:
270/252 + 560/252 = 270 + 560/252 = 830/252 - 830/252 simplified gives 415/126
- So, 90/84 + 20/9 = 415/126
In mixed form: 337/126
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