Parts of a Fraction
What is the top number called?
NUMERATOR
2/19 + 2/5
0 + 0
or
0 + 1/2
What is the common denominator for fractions with 2 and 3 as the denominator?
6
1/5 + 3/5
4/5
5/7 - 2/7
3/7
What is the bottom number called?
DENOMINATOR
7/13 + 3/4
1/2 + 1
or
1 + 1
What is the common denominator for fractions with 3 and 9 as the denominator?
9
1/2 + 1/2
one whole or 2/2
23/90 - 12/90
11/90
A fraction is a part of a...
whole
19/22 - 2/12
1 - 0
Find the common denominator of the two fractions.
Rewrite the fractions with new numerators.
1/2 and 3/4
2/4 and 3/4
3/6 + 1/3
3/6 + 2/6 = 5/6
3/4 - 7/12
9/12 - 7/12 = 2/12
True or False?
When drawing a fraction diagram, you need to have equal parts.
True.
12/14 + 6/7
1 + 1
Find the common denominator of the two fractions.
Rewrite the fractions with new numerators.
3/7 and 1/2
6/14 and 7/14
1/7 + 3/4
4/28 + 21/28 = 25/28
5/6 -1/4
10/12 - 3/12 = 7/12
True or False?
If the number on the top of the fraction is the same as a bottom, the entire fraction is equal to one half.
FALSE!!!!
14/16 - 5/7
1-1
What are the multiples of the following denominators? List the first FIVE.
1/6 and 3/7
6: 6, 12, 18, 24, 30
7: 7, 14, 21, 28, 35
4/6 + 1/18
12/18 + 1/18 = 13/18
What is the LCD of 100 and 25?