Add 30/9 and 15/90
1st number: 3 3/9, 2nd number: 15/90
30/9 + 15/90 is 7/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
30/9 = 30 × 10/9 × 10 = 300/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
15/90 = 15 × 1/90 × 1 = 15/90 - Add the two like fractions:
300/90 + 15/90 = 300 + 15/90 = 315/90 - 315/90 simplified gives 7/2
- So, 30/9 + 15/90 = 7/2
In mixed form: 31/2
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