Add 18/8 and 20/9
1st number: 2 2/8, 2nd number: 2 2/9
18/8 + 20/9 is 161/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 9 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
18/8 = 18 × 9/8 × 9 = 162/72 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
20/9 = 20 × 8/9 × 8 = 160/72 - Add the two like fractions:
162/72 + 160/72 = 162 + 160/72 = 322/72 - 322/72 simplified gives 161/36
- So, 18/8 + 20/9 = 161/36
In mixed form: 417/36
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