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OpenStudy (anonymous):
(-63/49)(21/12) = -9/4 My teacher wants me to work out the answer to prove it, but I keep getting huge numbers that I can't simplify. What should I do?
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OpenStudy (turingtest):
see if you can simplify these before you multiply them can you simplify 63/49 ? what about 21/12 ?
OpenStudy (anonymous):
Oh! (-63/49)(21/12) (-9/7)(7/4) -63/28 = -9/4 Thank you so much!
OpenStudy (turingtest):
welcome! nice job :D
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