Betsi
Betsi
24-06-2018
Mathematics
contestada
Help on this please!
Respuesta :
APAgony
APAgony
24-06-2018
2/9 - 7/12
First, multiply to find a common denominator. Multiply both pieces of the left fraction by 12, and both pieces of the right fraction by 9.
24/108 - 63/108 = -39/108 =
-13/36
a= -13
b= 36
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