Answer:48 3/40
Step-by-step explanation: First you have to find the LCM of 8 and 10 which is 40. Rewrite the fractions so the denominator and numerator are multiplied by the same number, 7/10 = 28/40 5/8 = 25/40. Then subtract, 28/40 - 25/40 = 3/40. Now subtract the whole numbers, 73 - 25 = 48. Giving us our answer of 48 and 3/40!