Question

Jumlahkanlah atau kurangkanlah. Tulislah setiap jawabanmu dalam bentuk yang paling sederhana.

a. 3/11+7/11
b. 6/7-2/7
c. 3/8+5/8
d. 4/9-4/9
e. 7/10-1/4
f. 3/8+4/5
g. 5/6+1/4
h. 5/6-1/2

Answer 1

A.10/11
b.4/7
c.8/8 = 1
d.
e.7/20
f.47/40 = 1 7/40
g.13/12 = 1 1/12
h.2/6 = 1/3
maaf klo salah

Answer 2

A. 3/11+7/11 = 10/11

b. 6/7-2/7 = 4/7

c. 3/8+5/8 = 8/8 = 1

d. 4/9-4/9 = 0

e. 7/10-1/4 = (14-5)/20 = 9/20

f. 3/8+4/5 = (15+32)/40 = 47/40 = 1 7/40

g. 5/6+1/4 = (10+3)/12 = 13/12 = 1 1/12

h. 5/6-1/2 = (5-3)/6 = 2/6 = 1/3