Add 3/20 and 12/9
1st number: 3/20, 2nd number: 1 3/9
3/20 + 12/9 is 89/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 9 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
3/20 = 3 × 9/20 × 9 = 27/180 - Likewise, for the 2nd fraction, since 9 × 20 = 180,
12/9 = 12 × 20/9 × 20 = 240/180 - Add the two like fractions:
27/180 + 240/180 = 27 + 240/180 = 267/180 - 267/180 simplified gives 89/60
- So, 3/20 + 12/9 = 89/60
In mixed form: 129/60
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