Common Denominators
3/9 + 3/9 = ?
6/9 or 2/3
1/3 + 3/4 = ?
keep answer improper
13/12
1 2/3 - 1/6 = ?
1 3/6 or 1 1/2
18/12 - 2/12 = ?
16/12 or 1 1/3
2/4 + 4/8 = ?
8/8 or 1 whole
3/12 + 3/12 = ?
6/12 or 1/2
1/4 + 2/8 = ?
4/8 or 1/2
1 7/8 - 5/8 = ?
1 2/8 or 1 1/4
20/10 - 16/10 = ?
4/ 10 or 2/5
4/6 + 2/6 = ?
6/6 or 1 whole
10/20 + 10/20 = ?
20/20 or 1 whole
1/3 + 5/6 = ?
7/6 or 1 1/6
2 3/12 + 1/4 = ?
2 6/12 or 2 1/2
14/7 - 2/7 = ?
12/7 or 1 5/7
1 2/6 - 2/4 = ?
10/12 or 5/6
3/10 + 2/10 = ?
5/10 or 1/2
9/6 + 2/12 = ?
20/12 or 1 8/12
4 1/16 + 3 15/16 = ?
7 16/16 or 8
25/20 - 5/20 = ?
20/20 or 1 whole
12/6 - 4/6 = ?
8/6 or 1 1/3