Answer:
1. 10 6/7 2. 8/15
Step-by-step explanation:
1. 6 1/42 + 4 5/6
1/42 + 5/6(7)
1/42 + 35/42
= 36/42
= 6/7
10 6/7
2. 13/15 - 1/3(5)
13/15 - 5/15
8/15
3
In this expression, the first term is <em>2x</em>, then <em>4y, </em>then 8-2 (which simplifies to 6).