Add 15/30 and 18/9
1st number: 15/30, 2nd number: 2 0/9
15/30 + 18/9 is 5/2.
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,
15/30 = 15 × 3/30 × 3 = 45/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
18/9 = 18 × 10/9 × 10 = 180/90 - Add the two like fractions:
45/90 + 180/90 = 45 + 180/90 = 225/90 - 225/90 simplified gives 5/2
- So, 15/30 + 18/9 = 5/2
In mixed form: 21/2
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