Add 6/9 and 8/20
6/9 + 8/20 is 16/15.
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,
6/9 = 6 × 20/9 × 20 = 120/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
8/20 = 8 × 9/20 × 9 = 72/180 - Add the two like fractions:
120/180 + 72/180 = 120 + 72/180 = 192/180 - 192/180 simplified gives 16/15
- So, 6/9 + 8/20 = 16/15
In mixed form: 11/15
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