Add it up!
2/9 +3/9 =
5/9
3/4 - 2/4 =
1/4
Write 5/12 as a sum of unit fractions.
1/12 + 1/12 + 1/12 + 1/12 + 1/12
1/2 + 1/2 =
2/2= 1
8/12 - 6/12 =
2/12 = 1/6
1/4 + 2/4 =
3/4
5/8 - 4/8 =
1/8
Write 4/100 as a sum of unit fractions.
1/100 + 1/100 + 1/100 + 1/100
5/9 + 1/9 =
6/9 = 2/3
6/8 - 2/8 =
4/8 = 1/2
4/6 + 1/6 =
5/6
6/11 - 1/11 =
5/11
Write 3/7 as a sum of fractions two different ways.
1/7 + 1/7 + 1/7
2/7 + 1/7
1/8 + 3/8 =
4/8 = 1/2
9/9 - 3/9 =
6/9 = 2/3
6/10 + 3/10 =
9/10
9/12 - 2/12 =
7/12
Write 6/9 as a sum of fractions three different ways.
1/9 + 1/9 + 1/9 + 1/9 + 1/9 + 1/9
4/9 + 2/9
3/9 + 3/9
etc.
3/20 + 11/20 =
14/20 = 7/10
3/14 - 1/14 =
2/14 = 1/7
2/16 + 13/16 =
15/16
13/20 - 6/20 =
7/20
Write 9/12 as a sum of fractions four different ways.
1/12 + 1/12 + 1/12 + 1/12 + 1/12 + 1/12 + 1/12 + 1/12 + 1/12
5/12 + 4/12
6/12 + 3/12
1/12 + 8/12
etc.
10/36 + 17/36 =
27/36 = 3/4
9/12 - 5/12 =
4/12 = 1/3