Steps
What is the 1st step when solving addition and subtraction problems with unlike denominators?
Find a common denominator.
1 (1/4)
+3 (2/6)
4 (7/12)
3/5 - 1/7 =
16/35
8/9 - 3/10 =
53/90
What is the 2nd step when adding/subtracting fractions with unlike denominators?
Find equivalent fractions using the new denominator.
3 (5/6) - 1 (1/4) =
2 (7/12)
2/4 + 3/9 =
5/6
12/20 + 10/15 =
1 4/15
What is the 3rd step when adding and subtracting fractions with unlike denominators?
Add or subtract the numerators.
15 (2/5) - 7 (1/6) =
8 (7/30)
5/10 - 1/3 =
1/6
8/20 - 3/15 =
1/5
What is the 4th step when adding and subtracting fractions with unlike denominators?
Simplify
What do you call a group of lions?
A) A pack
B) A herd
C) A pride
D) A swarm
C) A pride
4/5- 3/8 =
17/40
What is the only continent that is also a country?
Which U.S. state is the largest by area?
A) Texas
B) California
C) Alaska
D) Montana
c.) Alaska
3 (1/5) + 9 (1/4) =
12 (9/20)
Which country is shaped like a boot?
A) Spain
B) Italy
C) Greece
D) France
B) Italy
8/12 + 17/20 =
1 31/60