Add 20/9 and 12/8
1st number: 2 2/9, 2nd number: 1 4/8
20/9 + 12/8 is 67/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 9 × 8 = 72,
20/9 = 20 × 8/9 × 8 = 160/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
12/8 = 12 × 9/8 × 9 = 108/72 - Add the two like fractions:
160/72 + 108/72 = 160 + 108/72 = 268/72 - 268/72 simplified gives 67/18
- So, 20/9 + 12/8 = 67/18
In mixed form: 313/18
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