Question

Simplify using "suitable property " 4/5 x 7/16 + 4/5 -21/4 x 4/5

Answer 1

Step-by-step explanation:

first divide the multiplication fractions into 2 parts and then do cancellation and multiply.so you get7/20+4/5+21/5.

now to LCM for denominator then you get 20 now add the numerators then make it into mixed fraction.

you got the answer.

Answer 2

Answer:

-61/20 is the answer

Step-by-step explanation:

(4/5 * 7/16) + 4/5 - ( 21/4 * 4/5) [SIMPLIFY INSIDE BRACKET]

(1/5 * 7/4) + 4/5 - (21/1 * 1/5)

7/20 + 4/5 - 21/5 [ MAKE DENOMINATOR SAME]

7/20 + 16/20 - 84/20

23/20 - 84/20

= -61/20