Add 15/20 and 80/12
1st number: 15/20, 2nd number: 6 8/12
15/20 + 80/12 is 89/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
15/20 = 15 × 3/20 × 3 = 45/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
80/12 = 80 × 5/12 × 5 = 400/60 - Add the two like fractions:
45/60 + 400/60 = 45 + 400/60 = 445/60 - 445/60 simplified gives 89/12
- So, 15/20 + 80/12 = 89/12
In mixed form: 75/12
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