Book: RD Sharma - Mathematics
Chapter: 1. Rational Numbers
Subject: Maths - Class 8th
Q. No. 3 of Exercise 1.1
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3
Simplify:
(i) 
(ii) 
(iii)
(iv) 
(v) 
(vi) 
(vii) 
(viii) 
(ix) 
(x) 
(i) The L.C.M of 9 and 6 is 18
= 
= 
And,
= 
= 
Therefore,
- 
= 
(ii) 
(iii) The L.C.M of -12 and -15 is 60
= 
= 
And,
= 
= 
Therefore,
- 
= 
(iv) The L.C.M of 19 and 57 is57
= 
= 
And,
= 
= 
Therefore,
- 
= 
(v) The L.C.M of 9 and 4 is 36
= 
= 
And,
= 
= 
Therefore,
- 
= 
(vi) The L.C.M of 26 and -39 is 78
= 
= 
And,
= 
= 
Therefore,
- 
= 
(vii) The L.C.M of 9 and 12 is 108
= 
= 
And,
= 
= 
Therefore,
- 
= 
= 
(viii) The L.C.M of 8 and 36 is 72
= 
= 
And,
= 
= 
Therefore,
+
= 
(ix) The L.C.M of 0 and 5 is 0
Therefore,
0 -
= 
(x) The L.C.M of 1 and 5 is 5
= 
= 
And,
= 
= 
Therefore,
- 
= 
