Add 7/9 and 20/18
1st number: 7/9, 2nd number: 1 2/18
7/9 + 20/18 is 17/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 9 × 2 = 18,
7/9 = 7 × 2/9 × 2 = 14/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
20/18 = 20 × 1/18 × 1 = 20/18 - Add the two like fractions:
14/18 + 20/18 = 14 + 20/18 = 34/18 - 34/18 simplified gives 17/9
- So, 7/9 + 20/18 = 17/9
In mixed form: 18/9
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