Answer:
3 65/72
Step-by-step explanation:
1) First make sure the denominators are the same, so multiply the 7/9 by 8/8 and 7/8 by 9/9 since 72 is their common denominator.
18 56/72 - 14 63/72
2) Now subtract
= 3 65/72
Answer:281/72 in decimal its 3.90
Step-by-step explanation:
I used a TI-84 calculator
