Steps/Vocabulary
What is the 1st step when solving addition and subtraction problems with unlike denominators?
Find common multiples
2/8
1/4
3/5 + 1/10 =
26/35
8/12 - 1/24 =
15/24
What is the 2nd step when adding/subtracting fractions with unlike denominators?
Make the denominators the same (with the common multiple)
4/12
1/3
2/36 + 3/9 =
30/36
5/10 - 1/3 =
1/6
What is the 3rd step when adding and subtracting fractions with unlike denominators?
Add or subtract
44/77
4/7
1/8 + 3/5 =
29/40
8/9 - 3/27 =
7/9
What is an improper fraction?
A fraction with a numerator that is greater than the denominator
54/72
3/4
2/9 + 3/10 =
47/90
2/4 -3/6 =
0
What is a mixed number?
A whole number and a fraction
84/112
3/4
7/8 - 1/5 =
27/40