Question

Jika 4/5 + 2 1/4 =n,maka n =....
a.2 1/20
b.2 1/10
c.3 1/20
d.3 1/10

Answer 1

4/5 + 2 1/4
= 4/5 + 2x4+1/4
= 4/5 + 9/4
= 4x4 / 5x4 + 9x5 / 4x5
= 16/20 + 45/20
= (16+45)/20
= 61/20
= 3x20+1 / 20
= 3 1/209

Jawaban yang benar adalah C. 3 1/20

Answer 2

4/5+21/4
=16/20+105/20
=121/20
=......