Adding & Subtracting Fractions
1/2 + 1/2
1
1/3 * 1/2=
1/6
The top part of a fraction:
Numerator
What operation does "more than" imply?
Addition
The total of m and three is twenty-one.
m + 3 = 21
1/4 - 1/6 =
1/12
To divide fractions, we remember the following acronym:
KCF or CDF
The bottom part of a fraction:
Denominator
What operation does "less than" imply?
The quotient of six and b is one.
6/b = 1
For all addition and subraction of fractions, there must be a:
Common Denominator
2/8 divided by 3/6 =
1/2
For an improper fraction, the numerator is ___ than the denominator.
Greater
What operation does "differnce" imply?
Subtraction
The product of 4 and z is the same as 16.
4z=16
1/3 + 1/2 =
5/6
2/5 divided by 5/8 =
4/5
Fractions are ____ in disguise.
What operation does "quotient" imply?
Division
The differnence between twenty and c is eighteen.
20-c=18
1/2 + 9/19 =
37/38
3/4 * 4/5 =
3/5
What do you call a flipped fraction?
Reciprocal
What operation does "of" imply?
Multiplication
One-half of x is equal to three.
1/2(x)=3