Answer:
1. 5/8
2. 7/3
3. 1/5
Step-by-step explanation: 1. 1/4 + 3/8 = 5/8
2. The reciprocal of a number is also defined as the division of 1 by that number. Hence according to the definition of reciprocal fraction which is reciprocal of 3/7 is 7/3.
3. 2/5 - 1/5 = 1/5