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4⅔ x 1²/₄ = 14/3*6/4=7
2⁴/₇ x 2⅝ = 18/7 * 21/8 = 27/4 = 6 3/4
3⅛ x 2⁴/₁₀ = 25/8 * 24/10 = 15/2=7 1/2
5½ x 3⅔ = 11/2 * 11/3 = 121/6 = 20 1/6
1:⅕ = 1 *5 = 5
¾:9= 3/4 * 1/9=4/3=1 1/3
3⅕:2⅖= 16/5* 5/12= 16/12= 1 1/3
5⅓-2¾= 64/12 - 33/12=31/12= 2 7/12
⅚ - ²⁰/₂₄= 20/24-20/24=0
2½- 1⁹/₁₀=25/10-19/10=3/5
⅗₊½= 6/10+5/10=11/10=1 1/10
5½ x 3⅔=121 piątych=24⅕
2⁴/₇ x 2⅝=27 czwartych=6¾
3⅛ x 2⁴/₁₀=7½
4⅔ x 1²/₄=10½
1:⅕=5
¾:9=1 dwunasta
3⅕:2⅖=1⅓
5⅓-2¾=5 i4 dwunaste - 2 i 9 dwunastych=2 ⅔
⅚ - ²⁰/₂₄=20 dwudziestych czwartych -²⁰/₂₄=0
2½- 1⁹/₁₀ =6 dziesiątych
⅗₊½=1 i 1 dziesiąta