Subtract the mixed fractions 7 1/4 - 2 4/5=

4.45

Step-by-step explanation:

I took a test and this question appeared,i remembered the answer , Sorry if i got it wrong..

4 9/20

Step-by-step explanation:

Convert the mixed fractions to improper fractions first:

7 1/4--> 29/4, 2 4/5--> 14/5.

Now we look for the common denominator, which is 20. So 29/4=145/20 and 14/5=56/20.

We subtract them:

145/20-56/20=89/20.

Convert it to a mixed fraction to get 4 9/20.

7 ft 6 in means 7 1/2, because 6 in is 1/2 of a foot. 7 ft 8 in means 7 2/3 because 8 in is 2/3 of a foot. 23/3 = 7 2/3. 15/2 = 7 1/2.

23/3   *   15/2   = 57 1/2

step-by-step explanation: