Question

2 upon 5 * 1 upon 7 + 2 upon 4 * 2 upon 14

Answer 1

Step-by-step explanation:

2/5 × 1/7 + 2/4 × 1/7

1/7 ( 2/5 + 1/2 )

1/7 × (4+5)/10

1/7 × 9/10

9/70