Add 28/9 and 80/5
1st number: 3 1/9, 2nd number: 16 0/5
28/9 + 80/5 is 172/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 5 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
28/9 = 28 × 5/9 × 5 = 140/45 - Likewise, for the 2nd fraction, since 5 × 9 = 45,
80/5 = 80 × 9/5 × 9 = 720/45 - Add the two like fractions:
140/45 + 720/45 = 140 + 720/45 = 860/45 - 860/45 simplified gives 172/9
- So, 28/9 + 80/5 = 172/9
In mixed form: 191/9
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