1) 56/17=3 5/17 ; 355/27=13 4/27 ; 154/11=14 ; 244/12=20 1/3.
2) 4 5/7=33/7; 6 5/12=87/12; 8 2/7=58/7; 4 5/12=53/12; 42 3/8=339/8.
3) 3 19,10=4 9/10; 5 38/15=7 8/15; 4 72/7=14 2/7; 2 36/12=5.
4) a. z+7/8=14|•8
z+7=112
z=112-7
z=105
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b.147/t-5=49|•t-5
147=49t-245
147+245=49t
49t=392
t=392:49
t=8
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