7/8+9/10=71/40=1 31/40
1/4+2/3=11/12
1/2+1/4 is different from 1/2+1/3 because
1/2+1/4= 2/4+1/4= 5/1 =1 1/4
1/2+1/3=3/6+2/6=5/6
Answer:
4-9=-5
Step-by-step explanation:
do the work you get that
Answer:

Step-by-step explanation:
Answer:
9
Step-by-step explanation:
5-(-8)-4=9
Hope this helps!