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b) 14 2/3 - 6*2 1/3 = 14 2/3 - 12 1/3 = 2 1/3
c) 4*(1/8 + 4/8) - 2 * 3/8 = 4* 5/8 - 3/4 = 5/2 - 3/4 = 10/4 - 3/4 = 7/4
d) 5 3/4 - 1/4 * (6 2/7 - 3 2/7) = 5 3/4 - 1/4 * 3 1/7 = 5 3/4 - 11/14 = 139/28 = 4 27/28
14 2/3 - 6*2 1/3=14 2/3-14= 2/3
4*(1/8 + 4/8) -2*3/8=4*5/8-3/4=5/2-3/4=10/4-3/4=7/4
5 3/4 - 1/4* ( 6 2/7 - 3 2/7)=5 3/4-1/4*3 2/7= 23/4-23/28=161/28-23/28=138/28=4 26/28 = 4 13/14