find the sum of-4/7 and -2/21
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Step-by-step explanation:
-4/6+(-2/21)
-4/7-2/21
-12-2/21
-14/21
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Answer:
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Step-by-step explanation:
= -4/7+-2/7
=LCM of 7&21
=-4/7×3/3 & -2/21×1/1 ( to make both term like)
= -12-(-2)/21
=-12+2/21 ( as - - = + )
=-10/21
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