Add 3/9 and 2/20
3/9 + 2/20 is 13/30.
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,
2/20 = 2 × 9/20 × 9 = 18/180 - Add the two like fractions:
60/180 + 18/180 = 60 + 18/180 = 78/180 - 78/180 simplified gives 13/30
- So, 3/9 + 2/20 = 13/30
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