1) 2 1/10× 2 1/7=21/10×15/7=9/2=4 1/2
2) 1 1/5× 2 11/12=6/5×35/12=7/2=3 1/2
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1) 2 1/10× 2 1/7=21/10×15/7=9/2=4 1/2
2) 1 1/5× 2 11/12=6/5×35/12=7/2=3 1/2