Add 30/90 and 28/9
1st number: 30/90, 2nd number: 3 1/9
30/90 + 28/9 is 31/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 9 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
30/90 = 30 × 1/90 × 1 = 30/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
28/9 = 28 × 10/9 × 10 = 280/90 - Add the two like fractions:
30/90 + 280/90 = 30 + 280/90 = 310/90 - 310/90 simplified gives 31/9
- So, 30/90 + 28/9 = 31/9
In mixed form: 34/9
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