Mixed Numbers
2 3/4 xx 1 1/3
3 8/12
4 xx 1/4
1
9/27
1/3
What is the first step when multiplying whole numbers and fractions?
Change the whole number to a fraction by giving it a denominator of 1.
19/4
4 3/4
1 1/3 xx 1/6
2/9 or 4/18
9 xx 2/5
3 3/5
7/49
1/7
7/9 xx 3/7
1/3 or 21/63
6 2/7
44/7
5 3/8 xx 2/6
1 19/24 or 1 38/48
2 xx 4/7
1 1/7
42/56
3/4
What are the three magic words for dividing fractions?
Keep, Change, Flip
9 8/11
107/ 11
2 1/9 xx 4
8 4/9
4/7 xx 3
1 5/7
10/42
5/21
What is the first step in converting a mixed number to an improper fraction?
Triangle method: Multiplying the denominator x the whole number.
6 3/4
27/4
9 1/4 xx 3 2/3
33 11/12
4 xx 8/9
3 5/9
19/30
19/30
What is the mathematical term for the fraction you flip when dividing?
Reciprocal
81/7
11 4/7