1.4/8 -1/2
4/8-4/8
=0
2.15/20-2/4
15/20-10/20
=5/20or1/4
3.8/9-2/3
=8/9-6/9
=2/9
4. 5/6-3/4
=10/12 -9/12
=1/12
5. 12/18 -5/9
=12/18 -10 /18
=2/18 or 1/9
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Answers & Comments
1.4/8 -1/2
4/8-4/8
=0
2.15/20-2/4
15/20-10/20
=5/20or1/4
3.8/9-2/3
=8/9-6/9
=2/9
4. 5/6-3/4
=10/12 -9/12
=1/12
5. 12/18 -5/9
=12/18 -10 /18
=2/18 or 1/9