jika p= 4/7, q= 6/16, dan r= 7/8. Hitung berapa p × (r - q)

p = 4/7
q = 6/16
r = 7/8

> p × (r - q)
> 4/7 × (7/8 - 6/16)
> 4/7 × (_______/16)
> 4/7 × (14/16 - 6/16)
> 4/7 × 8/16
> 4/7 × 1/2
> 4/14
> 2/7