# Math in Focus Grade 4 Chapter 7 Practice 7 Answer Key Fractions and Decimals

Practice the problems of Math in Focus Grade 4 Workbook Answer Key Chapter 7 Practice 7 Fractions and Decimals to score better marks in the exam.

## Math in Focus Grade 4 Chapter 7 Practice 7 Answer Key Fractions and Decimals

Write each fraction as a decimal.

Example
$$\frac{9}{10}$$ = 0.9

Question 1.
$$\frac{7}{10}$$ = ____
$$\frac{7}{10}$$ = 0.7

Explanation:
$$\frac{7}{10}$$ = 7 ÷ 10 = 0.7.

Question 2.
$$\frac{3}{100}$$ = ____
$$\frac{3}{100}$$ = 0.03.

Explanation:
$$\frac{3}{100}$$ = 3 ÷ 100 = 0.03.

Question 3.
$$\frac{51}{100}$$ = ____
$$\frac{51}{100}$$ = 0.51.

Explanation:
$$\frac{51}{100}$$ = 51 ÷ 100 = 0.51.

Express each fraction as a decimal. Hint: Make the denominator 10 or 100.

Example
$$\frac{2}{5}$$ = $$\frac{4}{10}$$
= 0.4

Question 4.
$$\frac{1}{2}$$ = ____
$$\frac{1}{2}$$ = 0.5.

Explanation:
$$\frac{1}{2}$$ =  $$\frac{5}{10}$$ = 0.5.

Question 5.
$$\frac{5}{2}$$ = ____
$$\frac{5}{2}$$ = 2.5.

Explanation:
$$\frac{5}{2}$$ = $$\frac{25}{10}$$ = 2.5.

Question 6.
$$\frac{5}{4}$$ = ____
$$\frac{5}{4}$$ = 1.25.

Explanation:
$$\frac{5}{4}$$ = $$\frac{125}{100}$$ = 1.25.

Question 7.
$$\frac{7}{20}$$ = ____
$$\frac{7}{20}$$ = 0.35.

Explanation:
$$\frac{7}{20}$$ = $$\frac{35}{100}$$ = 0.35.

Question 8.
$$\frac{2}{25}$$ = ____
$$\frac{2}{25}$$ = 0.08.

Explanation:
$$\frac{2}{25}$$ = $$\frac{8}{100}$$ = 0.08.

Write each mixed number as a decimal.

Question 9.
3$$\frac{5}{10}$$ = ____
3$$\frac{5}{10}$$ = 3.5.

Explanation:
3$$\frac{5}{10}$$ = (30 + 5) ÷ 10
= $$\frac{35}{10}$$
= 3.5.

Question 10.
6$$\frac{43}{100}$$ = ____
6$$\frac{43}{100}$$ = 6.43..

Explanation:
6$$\frac{43}{100}$$ = (600 + 43) ÷ 100
= $$\frac{643}{100}$$
= 6.43.

Question 11.
8$$\frac{3}{5}$$ = ____
8$$\frac{3}{5}$$ = 8.6.

Explanation:
8$$\frac{3}{5}$$ = (40 +  3) ÷ 5
= $$\frac{43}{5}$$
= $$\frac{86}{10}$$
= 8.6.

Question 12.
10$$\frac{3}{20}$$ = ____
10$$\frac{3}{20}$$ = 10.15.

Explanation:
10$$\frac{3}{20}$$ = (200 + 3) ÷ 20.
= $$\frac{203}{20}$$ = $$\frac{3}{20}$$
= $$\frac{1015}{100}$$
= 10.15.

Write each decimal as a fraction or mixed number in simplest form.

Question 13.
0.3
0.3 = $$\frac{3}{10}$$

Explanation:
0.3 = $$\frac{3}{20}$$

Question 14.
0.5
0.5 = $$\frac{5}{10}$$

Explanation:
0.5 = $$\frac{5}{10}$$

Question 15.
5.2
5.2 =  $$\frac{52}{10}$$

Explanation:
5.2 =  $$\frac{52}{10}$$

Question 16.
0.25
0.25 =  $$\frac{25}{100}$$

Explanation:
0.25 =  $$\frac{25}{100}$$

Question 17.
4.08
4.08 =  $$\frac{408}{100}$$

Explanation:
4.08 =  $$\frac{408}{100}$$

Question 18.
3.45
3.45 =  $$\frac{345}{100}$$
3.45 =  $$\frac{345}{100}$$