Answer:
1. 12/3/5 -7 4/10
63/5 -74/10
lcm =10
126/10 -74/10
=52/10
=26/5
2.99 5/6 - 79 3/4
599/6 -319/4
lcm=12
1198/12-957/12
=241/12
3. 53 3/4 -29 5/8
215/4 - 237/8
lcm=8
430/8-237/8
=193/8
4. 3/4 - 1/8
lcm=8
6/8 -1/8
=5/8
5. 88 11/15 -47 7/12
1331/15 - 571 /12
lcm=60
5325/60 -2855/60
=2470
=247/6
Step-by-step explanation:
