4 i 3/8 - 4,41 = ???
2,11 - 2 i 1/9 = ???
22/7 - 3,1
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4i3/8 -4,41 = 4,375 - 4,41 = - 0,035
4i3/8 - 4,41= 4i3/8 - 4i41/100= 4i75/200 - 4i82/200= - 7/200 = -0,035
2,11 - 2i1/9 = 2i11/100 - 2i1/9= 2i99/900 - 2i100/900 = - 1/900
2i2/7 - 3,1 = 2i2/7 - 3i1/10 =2i20/70 - 3i7/70 = 2i20/70 - 2i77/70= - 57/70