Add 12/90 and 30/9
1st number: 12/90, 2nd number: 3 3/9
12/90 + 30/9 is 52/15.
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,
12/90 = 12 × 1/90 × 1 = 12/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
30/9 = 30 × 10/9 × 10 = 300/90 - Add the two like fractions:
12/90 + 300/90 = 12 + 300/90 = 312/90 - 312/90 simplified gives 52/15
- So, 12/90 + 30/9 = 52/15
In mixed form: 37/15
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