# A) 1/5+3/4+1/5+1/4; b) 11/12+7/10+3/100+1/12; c) 12/17+15/24+3/8+5/17; d) 3/7+5/9+4/9+4/7.

Thetanrad

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A) (1/5+1/5) (3/4+1/4) =2/5+1=1 2/5 Answer: 1 whole 2/5 b) (11/12+1/12)+ (7/10+3/100)=1+73/100=1.73 Answer: 1.73 c) (12/17+5/17)+ (15/24+3/8)=1+(5/8+3/8)=1+1=2 Answer: 2 d) (3/7+4/7)+ (5/9+4/9)=1+1=2 Answer: 2

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