papasa po ngaun pls help
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1.
4 - 3/5
4 = 4/1
4/1 × 5/5 = 20/5
4/1 - 4/5 = 20/5 - 4/5
2.
3 - 5/6
3 = 3/1
3/1 × 6/6 = 18/6
3/1 - 5/6 = 18/6 - 5/6
3.
5 - 2/3
5 = 5/1
5/1 × 3/3 = 15/3
5/1 - 2/3 = 15/3 - 2/3