chapter 7 review

Page 235, question 10
Determine a common denominator for the set of fractions. Use the common denominator to write an equivalent fraction. Then list the fractions in order from least to greatest.
1/3,1/4,5/6,2/3,3/4,1/2
12:1/3=4/12,1/4=3/12,5/610/12,2/3=8/12,3/4=9/12,1/21/4,1/3,1/2,2/3,3/4,5/6

chapter 7 review

Page 234, question 10
Determine a common denominator for each pair of fractions. Which is larger fraction in each pair?
A)3/4, 13/16=16 13/16 is larger
B)5/7, 36/49=49 36/49 is larger
C)11/30, 3/10=30 11/30 is larger
D)12/27, 4/9= 27 the fractions are equal

Chapter 6 review

Page 222, question 8
Write each fraction in lowest terms.
A) 4/8 =1/2
B)6/10=3/5
C)20/30=2/3
D)15/24=5/8
E)12/16=3/4
F)10/24=5/12

Chapter 6 review

Page 223, question 16
Subtract.Write each answer in lowest terms.
A) 2/3-1/3=1/3
B)7/8-1/8=3/4
C)5/6-5/6=0
D)11/15-2/15=3/5
E)7/8-3/8=1/2
F)9/10-3/10=3/5

Chapter 6 review

Add. Then write each answer in lowest terms.
A) 2/3+1/3 = 1whole
B) 3/8+1/8= 1/2
C) 1/12+5/12= 1/2
D)3/5+1/5= 4/5
E)1/14+1/14= 1/7
F)2/7+4/7=6/7

Chapter 4.3 review

Page 143, question 4
Estimate which percent is larger. Then calculate each percent
A) 50% of 184 or 25% of 208 =92,25
B) 10% of 640 or 1% of 625 = 64,3.25
C) 35% of 140 or 70% of 60 = 49,42

chapter 7 review

Page 260,
10 a) 1/6+1/3=
1\6+2/6=3/6 or 1/2
b) 2/5+1/10
4/10+1/10=5/10 or 1/2
c) 3/4+3/5=
15/20+ 15/20
d) 1/4+1/3=
3/12+ 3/012=6/12 or 1/2
e) 5/6+3/4=
/12+9/12= /12
f) 1/10+2/3=
/ +