Salil wants to put a picture in a frame. The picture is (7)3/5 cm wide. To fit in the frame the picture cannot be more than (7)3/10 cm cm wide. How much should the picture be trimmed?

Given: The width of the picture = (7)3/5
and the width of picture frame = (7)3/10
Therefore, the picture should be trimmed = (7)3/5-(7)3/10=38/5-73/10
= 76-73/10 = 3/10 cm
Thus, the picture should be trimmed by 3/10 cm.

Exercise 2.1 Question 5, 6, 7, 8

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https://www.tiwariacademy.com/ncert-solutions/class-7/maths/chapter-2/