plis jawab pake caranya

1. = 7/8 - 1/2 - 1/4
= 7/8 - 4/8 - 2/8
= 7 - 4 - 2 /8
= 1/8
jawaban : C

2.= 3/4 x 1 4/5 : 1 1/2
= 3/4 x 9/5 : 3/2
= 27/20 : 3/2
= 9/10
jawaban : B

4. 7/8 - 1/2 - 1/4 = 7/8 - 4/8 - 2/8
= 3/8 - 2/8
= 1/8

5. 3/4 × 1 4/5 : 1 1/2 = 3/4 × 9/5 : 3/2
= 3/4 × 9/5 × 2/3
= 27/20 × 2/3
= 54/60 = 9/10
Terima kasih :)