Rules
When adding improper fractions what is the first step?
Finding a common denominator.
2.7+ (-3.4)
-0.7
-1.9-0.8
-2.7
-6/5 divide (-1/2)
2 2/5
A what is a number that can be written as the ratio of two integers?
rational number
When adding a mixed number what is the first step?
Converting the fractions to improper.
2 + (-7/2)
-1 1/2
1/3- (-1/3)
2/3
1.8(-5.1)
-9.18
Write 6/5 as a decimal.
1.2
When dividing fractions, what is the rule?
KCF (keep change flip)
-1 1/4 + 3/4
-1/2
4 1/2 - 5 1/4
-3/4
1/4 divide (-3/8)
-2/3
Write -3.1 as a fraction
-3 1/10
When subtracting, what is the rule?
KCC (keep change change)
0.65+ (-2.75)
-2.1
0.41 - (-0.07)
0.48
-2(-1 1/4)
2 1/2
Write -0.312 as a fraction.
-39/125
Write an addition expression using fractions that equals -1/2
many answers: -1/4 + (-1/4)
b + 4a when a= 1/2 and b= -5/2
-1/2
-20.5 - (-20.5)
0
-7.2(.1)(-100)
72
Whats a terminating decimal?
decimal that ends