What is the first step in adding similar fractions?
Add the numerators.
12/15 + 13/15 = ?
1
16/24 - 12/24 = ?
1/6
What does the denominator tell us?
the number of equal parts the whole is divided into
27/30 - 17/30 = ?
1/3
22/50 + 31/50 - 18/50 = ?
7/10
14/42 + 7/42 = ?
1/2
3 (5/10) - (8/10) = ?
2 (7/10)
38/40 - 13/40 + 10/40 = ?
3/8
12/25 + 3/25 + 5/25 = ?
4/5
48/75 + 23/75 = ?
71/75
56/90 + 14/90 = ?
7/9
6/3 + 3/3 = ?
3
16/28 + 12/28 - 21/28 = ?
1/4
What is a fraction?
a fraction is used to represent the portion/part of a whole
39/63 - 24/63 - 11/63 = ?
4/63
