What's the product of two-thirds and three-quarters divided by one-fifth?

What's the product of two-thirds and three-quarters divided by one-fifth?

fourteen-twelfths

What is the product of three fifths (5 / 3) plus one fourth (4 / 1) divided by three fourths (4 / 3) quotient and multiplying by five seventh (7 / 5)?
Urgent!
Write the formula

[3/5+(1/4)÷(3/4)]×(5/7)
=(3/5+1/3))]×(5/7)
=(3/5)×(5/7)+(1/3)×(5/7)
=3/7+5/21
=14/21
=2/3

What is the quotient of the product of 4.5 and 2 and 4 / 5 divided by their difference

(4.5 * 2 and 4 / 5) / (4.5-2 and 4 / 5)
=22.5*14/(22.5-14)
=22.5*14/8.5
=126/17

What is the quotient of the sum of half and 39 divided by the difference between one seventh and one twelfth?

（39+1/2）÷（1/7-1/12）
=79/2×84/5
=663.6