Add 3/9 and 4/5
3/9 + 4/5 is 17/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 5 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
3/9 = 3 × 5/9 × 5 = 15/45 - Likewise, for the 2nd fraction, since 5 × 9 = 45,
4/5 = 4 × 9/5 × 9 = 36/45 - Add the two like fractions:
15/45 + 36/45 = 15 + 36/45 = 51/45 - 51/45 simplified gives 17/15
- So, 3/9 + 4/5 = 17/15
In mixed form: 12/15
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