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## Answers

break 28 in its factor 2x2x7

also break 70 in its factor 2x5x7

2x2x7/-2x5x7=-2/5

After removing common multiplier of 28 and -70 we get -2/5

__28/-70.__Here, H.C.F of the numerator and denominator

__i.e. 28 and -70 is 14.__Therefore , after dividing them by

**1***4 ,*the term is:

__(28/14)/(-70/14) simplified to__**.**

__2/-5__

__Since there is only 1 -ve sign (an odd no. of__

__-ve signs), The fraction stands -2/5 .__