4 2/5 – 1 1/3 + 2 3/4 =yang C
4 2/5 – 1 1/3+ 2 3/4
22/5-4/3+11/4
264/60-80/60+165/60
184/60+165/80
349/60
5 49/60
Jawab:
Penjelasan dengan langkah-langkah:
4 2/5 – 1 1/3 + 2 3/4
= 4 – 1 + 2 + 2/5 – 1/3 + 3/4
= 5 + 2/5 + 3/4 – 1/3
= 5 + ((2 x 4) + (3 x 5))/(4 x 5) – 1/3
= 5 + (8 + 15)/20 – 1/3
= 5 + 23/20 – 1/3
= 5 + 69/60 – 20/60
= 5 + 49/60
= 5 49/60