Punjab State Board PSEB 5th Class Maths Book Solutions Chapter 4 Fractions Ex 4.7 Textbook Exercise Questions and Answers.
PSEB Solutions for Class 5 Maths Chapter 4 Fractions Ex 4.7
Question 1.
Convert the following fractions into decimals :
(a) \(\frac{9}{10}\)
(b) \(\frac{35}{1000}\)
(c) \(\frac{31}{1000}\)
(d) \(\frac{117}{100}\)
(e) \(\frac{37}{10}\)
Solution:
(a) 0.9
(b) 0.35
(c) 0.031
(d) 1.17
(e) 3.7.
Question 2.
Represent the following fractions into decimals:
(a) \(\frac{3}{5}\)
(b) \(\frac{15}{20}\)
(c) \(\frac{4}{25}\)
(d) \(\frac{5}{4}\)
(e) \(\frac{7}{40}\)
Solution:
(a) \(\frac{3}{5}\) = \(\frac{3 \times 20}{5 \times 20}\) = \(\frac{60}{100}\) = 0.60
(b) \(\frac{15}{20}\) = \(\frac{15 \times 4}{25 \times 4}\) = \(\frac{60}{100}\) = 0.60
(c) \(\frac{4}{25}\) = \(\frac{4 \times 4}{25 \times 4}\) = \(\frac{16}{100}\) = 0.16
(d) \(\frac{5}{4}\) = \(\frac{5 \times 25}{4 \times 25}\) = \(\frac{125}{100}\) = 1.25
(e) \(\frac{7}{40}\) = \(\frac{7 \times 25}{40 \times 25}\) = \(\frac{175}{1000}\) = 0.175
Question 3.
Represent the following decimals into fractions :
(a) 1.3
(b) 1.75
(c) 4.5
(d) 0.35
(e) 0.8
(f) 3.84
(g) 8.345
(h) 0.024
(i) 3.001
(j) 0.98.
Solution:
(a) 1.3 = \(\frac{13}{10}\)
(b) 1.75 = \(\frac{175}{100}\)
(c) 4.5 = \(\frac{45}{10}\)
(d) 0.35 = \(\frac{35}{100}\)
(e) 0.8 = \(\frac{8}{10}\)
(f) 3.84 = \(\frac{384}{100}\)
(g) 8.345 = \(\frac{384}{100}\)
(h) 0.024 = \(\frac{24}{1000}\)
(i) 3.001 = \(\frac{3001}{1000}\)
(j) 0.98 = \(\frac{98}{100}\)