Equivalent Fractions
Which is bigger 1/2 or 3/4?
3/4
1/4 + 2/4 =
3/4
9/10 - 7/10 =
2/10
What is the numerator?
The top digit that represents the part of the whole
True or False: The numerator represents the part
True
Which is smaller 3/10 or 2/5?
3/10
8/9 + 6/9 =
14/9
3/18 - 2/18 =
1/18
Define denominator
The denominator is the bottom digit that represents the whole
True or False: The denominator represents the part
False
Which is bigger 4/8 or 5/10?
they're equal
7/14 + 5/7 =
17/14
4/6 - 5/12 =
3/12
What is a fraction
A fraction is a number that describes a relationship between a part (represented by the numerator) and a whole (represented by the denominator).
True or False: When you add fractions, you only add the denominators.
False
You add the numerators
Is 1/2 equivalent to 2/4?
Yes
2/5 + 1/10 =
5/10
4/5 - 9/20 =
7/20
Define Equivalent Fraction
Equivalent Fractions have the same value, even though they have a different numerator and denominator.
True or False: You must have the same denominator to add or subtract fractions.
True
Which is bigger 8/10 or 11/20?
8/10
8/16 + 3/4 =
20/16
11/22 - 2/11
7/11
Define Common Denominator
Common denominators have the same number for the denominator.
Name the steps needed to add fractions.
1. Find common denominator (think about the equivalent fractions)
2. Add both numerators (the denominator stays the same)