Add 90/28 and 20/9
1st number: 3 6/28, 2nd number: 2 2/9
90/28 + 20/9 is 685/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 9 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
90/28 = 90 × 9/28 × 9 = 810/252 - Likewise, for the 2nd fraction, since 9 × 28 = 252,
20/9 = 20 × 28/9 × 28 = 560/252 - Add the two like fractions:
810/252 + 560/252 = 810 + 560/252 = 1370/252 - 1370/252 simplified gives 685/126
- So, 90/28 + 20/9 = 685/126
In mixed form: 555/126
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