Answer: 16/5
Step-by-step explanation:
Assuming the question is 8*7/10 - 8*3/10, you would first multiply both sides by 8 to get 56/10-24/10. This would give you 32/10. Then you find a common factor out of the numerator and denominator, which would be 2, and divide both sides by 2 to get 16/5