Question

помогите пожалуйста решить

Answer 1

$1) frac{7}{5} + frac{5}{6} - 2 frac{7}{12} = frac{84}{60} + frac{50}{60} - frac{155}{60} = - frac{21}{60} = - frac{7}{20}$

2)

Answer 2

1)

Answer 3

1) 7/5 + 5/6 - 2 7/12 = 84/60 + 50/60 - 155/60 = -21/60 = -7/20

Answer 4

2) 6/35