Arrange -5/7,7/12,-2/3 and 11/8 in the ascending order of their magnitudes. Also, find the difference between the largest and the smallest of these rational numbers. Express this difference as a decimal fraction correct to one decimal place.
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-5/7, 7/12 ,-2/3and 11/18
5/7 , 7/12 , 2/3 , 11/18
180/252 , 147/252 , 168/252 , 154/252
147/252 , 154/252 , 168/252 , 180/252
7/12 , 11/18 , 2/3 , 5/7
-5/7, 7/12 ,-2/3and 11/18
Largest 5/7
Smallest -2/3
Difference = 5/7 - (-2/3)
= 5/7 + 2/3
= (15 + 14)/21
= 29/21
= 1.38
= 1.4
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