Add 80/12 and 9/20
1st number: 6 8/12, 2nd number: 9/20
80/12 + 9/20 is 427/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
80/12 = 80 × 5/12 × 5 = 400/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
9/20 = 9 × 3/20 × 3 = 27/60 - Add the two like fractions:
400/60 + 27/60 = 400 + 27/60 = 427/60 - So, 80/12 + 9/20 = 427/60
In mixed form: 77/60
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