Add 80/15 and 15/12
1st number: 5 5/15, 2nd number: 1 3/12
80/15 + 15/12 is 79/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
80/15 = 80 × 4/15 × 4 = 320/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
15/12 = 15 × 5/12 × 5 = 75/60 - Add the two like fractions:
320/60 + 75/60 = 320 + 75/60 = 395/60 - 395/60 simplified gives 79/12
- So, 80/15 + 15/12 = 79/12
In mixed form: 67/12
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