Question

1/3:13/12 +4/3:13/12:16/9cat face

Answer 1

1/3:13/12+4/3:13/12:16/9=
= 1/3 x 12/13+4/3 x 12/13:16/9=
= 4/13+16/13:16/9=
= 4/13+16/13 x 9/16=
= 4/13+9/13= 4+9/13= 13/13=1
Sper ca te am ajutat.

Answer 2

1/3x12/13 + 4/3x12/13x 9/16 = 1×4/13 + 1/3×3/13×9/14= 4/13+3/39 x 9/14= 4/13+ 1/39 x 3/14= 13/39×3/14= 1/3 × 3/14 = 1× 1/14= 1/14