Operations on Rational Numbers Class 7 Practice Set 24 Answers Solutions Chapter 5
Question 1
Maharashtra Board Solution
Write the following rational numbers in decimal form. i. ii. iii. iv. v. vi. vii.
Solution & Step-by-Step Answer:
i.
ii.
iii.
iv.
v.
vi.
vii.
Maharashtra Board Class 7 Maths Chapter 5 Operations on Rational Numbers Practice Set 24 Intext Questions and Activities
Question 1
Maharashtra Board Solution
Without using division, can we tell from the denominator of a fraction, whether the decimal form of the fraction will be a terminating decimal? Find out. (Textbook pg. no. 40)
Solution & Step-by-Step Answer:
If the prime factorization of the denominator of a fraction has only factors as 2 or 5 or a combination of 2 and 5 then the decimal form of that fractional will be a terminating decimal form. Consider the fractions and Now, 20 = 2 x 2 x 5, and 6 = 2 x 3 ∴ is terminating decimal form while is recurring decimal form.