Add 80/60 and 15/12
1st number: 1 20/60, 2nd number: 1 3/12
80/60 + 15/12 is 31/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 60 × 1 = 60,
80/60 = 80 × 1/60 × 1 = 80/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
15/12 = 15 × 5/12 × 5 = 75/60 - Add the two like fractions:
80/60 + 75/60 = 80 + 75/60 = 155/60 - 155/60 simplified gives 31/12
- So, 80/60 + 15/12 = 31/12
In mixed form: 27/12
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