3-1: Fractions & Decimals
A repeating decimal has this over it.
.64 as a fraction
64/100 or 16/25
Mrs. Miranda is forcing you to do this step BEFORE you begin multiplying.
Simplifying / Cross Simplifying
7/16
The multiplicative inverse of
16/7
Describe "like" fractions
fractions with the same denominator
Describe "unlike" fractions
Fractions that have different denominators.
When a decimal is not repeating.
terminating decimal
-2 6/11
-28/11
You do this before multiplying with mixed numbers.
Convert mixed numbers to improper fractions.
When dividing fractions KFC means...
Keep the first fraction, Flip the second fraction, Change the sign
Assuming we have like fractions, what do we add and what stays the same?
We add the numerators. The denominators stay the same.
How do we make "unlike fractions" "like"
Find the LCM and convert them to fractions with the same denominator.
1/100
.01
- 0.265 as a fraction
- 265/100 or - 53/200
Re-write, then solve:
5/10 * 2/9
5/5 * 1/9
The quotient of
1/9 div 5/12
4/15
3/10 - 9/10 simplified
-3/5
5 1/3 - (-4 5/9)
7/9
3/5
0.6
1.57 as a fraction
1 57/100
Simplifying, what is the new equation? 3/4 * 16/9
1/1 * 4/3
-4 2/3 as an improper fraction
-14/3
5/8 + (-7/8) simplified
-1/4
12 1/2 - 6 3/8
6 1/8
7/9
.7 (with a bar over 7)
-3.85 (.85 with bar notation) as a fraction
-3 85/99
1/4 of 3/8
3/32
3/7 div 8
3/56
The distance between
-1/7 & 5/7
6/7
With the Butterfly method what is the new equation? 1/2 + 3/4
(4+6)/8