add the following fractions 3 upon 5 + 6 upon 11 + 7 upon 12

Answer:
Solution: 1141/660
Alternate form: 1 418/660, or 1.7287
Step-by-step explanation:
3/5+6/11+7/12
Write all numerators above the least common denominator 660
↓
396+360+385/660
Calculate the sum of positive numbers
↓
1141/660