Question

Bill has 2/3 of his pizza left from lunch. If he eats 3/7 more of the pizza, how much pizza is left?

A.1/4
B.1/3
C.1/21
D.5/21

Answer 1

are you sure you have the answer choices correct

Answer 2

yes

Answer 3

ok... so you need a common denominator...

what would i be..?

Answer 4

2/3 and 3/7 what is the common denominator..?

Answer 5

i multiply 3 and 7 right

Answer 6

correct.... so the common denominator is 21

so 2/3 = ?/21 what's the value of ?

Answer 7

6/21?

Answer 8

yo also need to change the remaining pizza 4/7 to ?/21

Answer 9

well look at its this way

\[\frac{2}{3} \times \frac{7}{7} = \frac{?}{21}\]

Answer 10

im going to go with 5/21

Answer 11

well no.....

if you eat 3/7 how many 7ths are remaining...?

Answer 12

4

Answer 13

so write 4/7 as a fraction with a denominator of 21

Answer 14

so if there is going to be a denominator with 21 would it be 1/21

Answer 15

well its a poorly worded question.... in that it doesn't explicitly say he eats 3/7 of the 2/3


but your previous answer seems to be correct

14/21 - 3/7 or 14/21 - 9/21 = 5/21

Answer 16

ok thank you for the help idk why my school always does this lol