Respuesta :
first, change both mixed numbers to improper fractions
4 1/5 = 21/5
1 4/5 = 9/5
because they already have a common denominator, just subtract them
21/5 - 9/5 = 12/5
4 1/5 = 21/5
1 4/5 = 9/5
because they already have a common denominator, just subtract them
21/5 - 9/5 = 12/5