5/7 15/21

NONE OF THESE
EQUAL
GREATER THAN
LESS THAN

EQUAL

Step-by-step explanation:

Just as you can do the same thing to both sides of an equation, you can do the same thing to both sides of a fraction.  15 = 5*3 and 21 = 7*3.  Thus, 5/7=15/21

Hope it helps <3 :)

b.my answer is b.

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