Add 12/9 and 45/30
1st number: 1 3/9, 2nd number: 1 15/30
12/9 + 45/30 is 17/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
12/9 = 12 × 10/9 × 10 = 120/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
45/30 = 45 × 3/30 × 3 = 135/90 - Add the two like fractions:
120/90 + 135/90 = 120 + 135/90 = 255/90 - 255/90 simplified gives 17/6
- So, 12/9 + 45/30 = 17/6
In mixed form: 25/6
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