Add 28/30 and 3/9
28/30 + 3/9 is 19/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 9 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
28/30 = 28 × 3/30 × 3 = 84/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
3/9 = 3 × 10/9 × 10 = 30/90 - Add the two like fractions:
84/90 + 30/90 = 84 + 30/90 = 114/90 - 114/90 simplified gives 19/15
- So, 28/30 + 3/9 = 19/15
In mixed form: 14/15
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