1. 5% + 21% = 26%
26% – 17% = 9%
2. 3% × 6% = 18%
18% : 2% = 9%
3. 100% –
4. 33 1/2 = 67/2
67/2 × 10 : 5
67/2 × 2/1 = 134/2
5. 2 3/4 = 11/4
8 2/9 = 74/9
4 2/3 = 14/3
11/4 × 9/9 = 99/36
74/9 × 4/4 = 666/36
99/36 + 666/36 = 765/36
765/36 – 14/3
14/3 × 12/12
168/36
765/36 – 168/36
=597/36
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