1. 7/2 + 5/18 = 7×5 / 2×18 = 35/36
2. 5/6 - 6/15 = 25/30 - 12/30 = 13/30
3. 17/3 - 11/4 + 41/12 = 68/12 - 33/12 + 41/12
= 76/12 atau 6 4/12
4. 5 × 1/4 = 5×1 / 4 = 5/4
5. 4×8 / 5×2 = 32/10 ÷ 1/4 = 32×4 / 10×1 = 128/10 atau 12 8/10
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1. 7/2 + 5/18 = 7×5 / 2×18 = 35/36
2. 5/6 - 6/15 = 25/30 - 12/30 = 13/30
3. 17/3 - 11/4 + 41/12 = 68/12 - 33/12 + 41/12
= 76/12 atau 6 4/12
4. 5 × 1/4 = 5×1 / 4 = 5/4
5. 4×8 / 5×2 = 32/10 ÷ 1/4 = 32×4 / 10×1 = 128/10 atau 12 8/10