Bapuanm 19.1 Bbinonth ywa3ahthile Aeticraws: 1) 5(10)/(19):(15)/(19) 1) 2(3)/(5):1(3)/(10) 2) 1(1)/(4)+4(9)/(10) 2) 1(13)/(21)+(4)/(9) 3) 3(1)/(5)cdot 1(1)/(4) 3) (4)/(5):3(1)/(2) 4) 5(2)/(3)-3(5)/(6) 4) 3cdot 4(1)/(3) 5) 4(2)/(5):1(3)/(5) 5) 4(5)/(6)-3(5)/(8) 6) 5(5)/(6)-2(1)/(21) 6) 1(2)/(19)cdot 1(2)/(7) 7) 2(2)/(11)+(2)/(11) 7) 1(8)/(21)+3(2)/(7) 3) 5(1)/(3)cdot 5 8) 2-1(12)/(19) BapuaHm 19.3

Let's solve each problem step by step:1) To solve this, we first convert the mixed number to an improper fraction: Then, we divide by the fraction: 1) Convert the mixed numbers to improper fractions: Then, divide the fractions: 2) Convert the mixed numbers to improper fractions: Then, add the fractions: 2) Convert the mixed number to an improper fraction: Then, add the fractions: 3) Convert the mixed numbers to improper fractions: Then, multiply the fractions: 3) Convert the mixed number to an improper fraction: Then, divide the fractions: 4) Convert the mixed numbers to improper fractions: Then, subtract the fractions: 4) Convert the mixed number to an improper fraction: Then, multiply the fractions: 5)