Answer:
Add
3 over 20
3
20
+ 7 over 16
7
16
= 47 over 80
47
80
Step 1 of 2: Add, sub-step a: Find the common denominator.
Find common denominator
3 over 20
3
20
+ 7 over 16
7
16
= ( 3 × 4 ) over ( 20 × 4 )
3 × 4
20 × 4
+ ( 7 × 5 ) over ( 16 × 5 )
7 × 5
16 × 5
= 12 over 80
12
80
+ 35 over 80
35
80
80 is the least common multiple of denominators 20 and 16. Use it to convert to equivalent fractions with this common denominator.
Add
12 over 80
12
80
+ 35 over 80
35
80
= ( 12 + 35 ) over 80
12 + 35
80
= 47 over 80
47
80
Step 1 of 2: Add.Hide
Step 2 of 2: Simplify.
Simplify
47 over 80
47
80
Step 2 of 2: Simplify, sub-step a: Reduce the fraction to the lowest terms.
Reduce the fraction to lowest terms