Answer:
1. 12 2/7
2. 22 7/9
3. 4 8/9
4. 1 1/9
Explanation:
1. 1 3/7+10 6/7
Change to improper fractions and solve
(10/7)+(76/7)=(10+76)/7=86/7
Convert 86/7 to mixed number
12 2/7
2. 12 1/9+10 2/3
Change to improper fractions and solve
(109/9)+(32/3)=(109+96)/9=205/9
Convert 205/9 to mixed number
22 7/9
3. 3 5/9 + 1 3/9
Change to improper fractions and solve
(32/9)+(12/9)=(32+12)/9=44/9
Convert 44/9 to mixed number
4 8/9
4. 5 2/3-4 5/9
Change to improper fractions and solve
(17/3)-(41/9)=(51-41)/9=10/9
Convert 10/9 to mixed number
1 1/9