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Rs aggarwal solutions
Fractions | Fractions Exercise 2D
Question 7
[(3/10)+(8/15)] = ?
a) (11/10) b) (11/15) c) (5/6) d) none of these
Solution:-
(5/6)
Because,
= (3/10) + (8/15)
LCM of 10 and 15 = 30
= (3/10) × (3/3) = (9/30)
= (8/15) × (2/2) = (16/30)
= (9/30) + (16/30)
= (9 + 16)/ 30
= (25/30)
= (5/6)
Question 7
[(3/10)+(8/15)] = ?
a) (11/10) b) (11/15) c) (5/6) d) none of these
Solution:-
(5/6)
Because,
= (3/10) + (8/15)
LCM of 10 and 15 = 30
= (3/10) × (3/3) = (9/30)
= (8/15) × (2/2) = (16/30)
= (9/30) + (16/30)
= (9 + 16)/ 30
= (25/30)
= (5/6)
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