Question

11 supra 15 - 7 supra 20

Answer 1

$\it \dfrac{^{4)}11}{\ 15}- \dfrac{^{3)}7}{\ 20}= \dfrac{44-21}{60}= \dfrac{23}{60}$

Answer 2

Răspuns:

23/60

Explicație pas cu pas:

11/15 - 7/20 =

1/5 (11/3 - 7/4) =

1/5 x (44 -21)/12 =

1/5 x 23/12 =

23/60.