Add 20/9 and 36/8
1st number: 2 2/9, 2nd number: 4 4/8
20/9 + 36/8 is 121/18.
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,
36/8 = 36 × 9/8 × 9 = 324/72 - Add the two like fractions:
160/72 + 324/72 = 160 + 324/72 = 484/72 - 484/72 simplified gives 121/18
- So, 20/9 + 36/8 = 121/18
In mixed form: 613/18
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