Add 8/9 and 12/20
8/9 + 12/20 is 67/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 9 × 20 = 180,
8/9 = 8 × 20/9 × 20 = 160/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
12/20 = 12 × 9/20 × 9 = 108/180 - Add the two like fractions:
160/180 + 108/180 = 160 + 108/180 = 268/180 - 268/180 simplified gives 67/45
- So, 8/9 + 12/20 = 67/45
In mixed form: 122/45
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