Change into fraction form.
1. 2.1
2. 0.001
Change into decimal form
3. 17/10
4. 2/100
5 7/8
6. 3/5
Find the answer in easy method
7. 7.9÷10
8. 4.23÷100
9. 2.82×10
10. 17.351×1000
11. 0.01, 0.0011 which number is the biggest one
Calculate the given below
12. 7.5×6
13. 2.1×0.2
14. 125.5÷5
15. 0.8×0.4/0.02
16. 14.62÷6.8
Answers
Answer:
Mathematics NCERT Grade 7, Chapter 2: Fractions and Decimals- We have already studied about fractions and decimals. This chapter deals with the concept of multiplication and division of fractions as well as of decimals.
A proper fraction is a fraction that represents a part of a whole.
An improper fraction is a combination of a whole and a proper fraction.
The first half of the chapter deals with the Multiplication of Fractions and the later part deals with the concept of Division of Fractions. Two fractions are multiplied by multiplying their numerators and denominators separately.
Multiplication of fractions is sub-divided into the following topics:
Multiplication of a fraction by a whole number
Multiplication of a fraction by a fraction
Before moving onto decimal numbers, the division of fractions is explained. This particular topic contains the following divisions:
Division of whole number by a fraction
Division of a fraction by a whole number
Division of a fraction by another fraction