Add 80/18 and 30/9
1st number: 4 8/18, 2nd number: 3 3/9
80/18 + 30/9 is 70/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 18 × 1 = 18,
80/18 = 80 × 1/18 × 1 = 80/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
30/9 = 30 × 2/9 × 2 = 60/18 - Add the two like fractions:
80/18 + 60/18 = 80 + 60/18 = 140/18 - 140/18 simplified gives 70/9
- So, 80/18 + 30/9 = 70/9
In mixed form: 77/9
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