simplify each of the following a) -13/15×27/39--2/5×1/3
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Answer:
The answer is (-23/15)
Step-by-step explanation:
(-13/15)×27/39-(-2/5)×1/3
-13/15×27/39
27/(-45)
(-2/5)×1/3
-2/5×1/3
(-2/15)
27/-45=(-45/27)
(-45/27)-(-2/15)
-45/27 + 2/15
the LCM of 27 and 15 is 135
-225+18/135
=(-207/135)
= (-69/45)
=(-23/15
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