a) 3,6+2/3=3 6/10+2/3= 3 18/30+20/30=3 38/30-4 8 /30=4 4/15 b) 4 1/8-1,11= 4 1/8-1 11/100=4 100/800-1 88/800= 3 12/800=3 3/200 c) 2,75+ 2/7=2 75/100+2/7=2 525/700+200/700= 2 725/700=3 25/700=3 1/28 d) 0,125-1/9125/100-1/9=1125/900-100/900=1025/900=1 125/900=1 5/36 e) 3 1/3-3,33= 3 1/3-3 33/100= 3 100/300-3 99/300=1/300 f) 1 1/5-0,09=1 1/5-9/100=1 100/500-45/500=1 55/500= 1 11/100 Pozdrawiam !;)
a) 3,6 + 2/3 = 3 frac{3}{5} + frac{2}{3} = frac{18}{5} + frac{2}{3} = frac{54}{15} + frac{10}{15} = frac{64}{15} b) 4 frac{1}{8} - 1,11 = 4,125 - 1,11= 3,015 4 frac{1}{8} = 4,125 c) 2,75+ frac{2}{7} = 2 frac{3}{4} + frac{2}{7} = frac{11}{4} + frac{2}{7} = frac{77}{28} + frac{8}{28} = 3 frac{1}{28} d) 0,125 - frac{1}{9} = frac{1}{8} - frac{1}{9}= frac{9}{72} - frac{8}{72} = frac{1}{72} e) 3 frac{1}{3} - 3,3 = frac{9}{3}- 3 frac{3}{10} = frac{9}{3}- frac{33}{10}= frac{90}{30}- frac{99}{30}= - frac{9}{30} = - frac{3}{10} f) 1 frac{1}{5} - 0,09 = 1,2- 0,09=1,11
