Answer:
1) 13/15
2) 3/11
Explanation:
Multiplication: Multiply the numerators together (4 x 13). That equals 52
Multiply the denominators together (5 x 12). That equals 60
Simplify the fraction 52/60 to 13/15
Division: Leave 20/11, change the division sign to a multiplication sign, and use the reciprocal (or opposite) of 20/3 which is 3/20.
Multiply the numerators together (20 x 3). That equals 60
Multiply the denominators together (11 x 20). That equals 220
Simplify the fraction 60/220 to 3/11