Add 3/9 and 12/20
3/9 + 12/20 is 14/15.
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,
3/9 = 3 × 20/9 × 20 = 60/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
12/20 = 12 × 9/20 × 9 = 108/180 - Add the two like fractions:
60/180 + 108/180 = 60 + 108/180 = 168/180 - 168/180 simplified gives 14/15
- So, 3/9 + 12/20 = 14/15
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