this question of class 8th .
chapter 1 exercise 1.2
please answer fast
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Answer:
LCM OF 9 and 7 is 63
Step-by-step explanation:
X-Y=(-7/9)-(-6/7)
=-7/9+6/7
=(-49+54)/63
=5/63
Y-X= (-6/7)-(-7/9)
=-6/7+7/9
=(-54+49)/63
= -5/63
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