Question

Find the difference,

a.100/120-21/60
b. 5/90-1/30
c. 5/42-1/21
please answer fast
answer in step by step please ​

Answer 1

Answer:

a) 100-42 /120 = 56/120

b) 5-3 /90 = 2/90

c) 5-2 /42 = 3/42