Mental Math on Fractions

In mental math on fractions we will solve different type of problems on types of fractions, equivalent fractions, fraction in lowest terms, comparison of fractions, fraction in lowest term, types of fractions, addition of fractions, subtraction of fractions and word problems on fractions.

1. How many one-fifth make a whole? __________ 

2. The numerator and the denominator of \(\frac{6}{11}\) are __________ and __________ respectively.

3. Write the fraction whose numerator is 4 and denominator is 18. __________

4. Find an equivalent fraction of \(\frac{4}{9}\) with denominator 27. __________

5. Is \(\frac{22}{35}\) in its lowest terms? __________

6. Which is the greater \(\frac{7}{15}\) or \(\frac{9}{15}\)?

7. Which is the smaller: \(\frac{4}{9}\) or \(\frac{3}{9}\)?

8. \(\frac{1}{7}\) + \(\frac{4}{7}\) + \(\frac{3}{7}\) = __________

9. Is \(\frac{12}{13}\) an improper fraction? __________

10. \(\frac{4}{5}\) + \(\frac{3}{5}\) = __________

11. A proper fraction will always be __________ than an improper fraction.

12. An equivalent fraction of an __________ fraction will be an improper fraction only.

13. Fractions having same denominators are called ______ fractions.

14. A fraction is said to be in the lowest-terms when the HCF of numerator and denominator is _____.

15. A fraction having _____ as its numerator is called a unit fraction.

16. \(\frac{1}{2}\) is _____ than 1. (less/greater)

17. Simplest form of \(\frac{12}{6}\) is _____.

18. When the numerator of a fraction is greater than the denominator, then the fraction is said to be an _____.

19. The mixed number 3\(\frac{1}{5}\) can be written as _____.

20. In fraction \(\frac{7}{11}\), 7 is the _____ of the fraction.

21. Fractions with different denominators are known as _____.

22. A _____ is a number representing a part of a whole.

23. How many fractions lie between 0 and 1?

24. How many equivalent fractions a fraction can have?

25. How many fractions lie between 0 and 1?


Answer:


1. five

2. numerator 6, denominator 11

3. \(\frac{4}{18}\)

4. \(\frac{12}{27}\)

5. Yes

6. \(\frac{9}{15}\)

7. \(\frac{3}{9}\)

8. \(\frac{8}{7}\) 

9. No

10. \(\frac{7}{5}\)

11. smaller

12. improper

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