To solve the problems involving fractions of numbers, we need to multiply the given fraction by the specified number. Let's go through each problem step by step.
Problem 1: $\frac{2}{3}$ of 15
\[
\frac{2}{3} \times 15 = \frac{2 \times 15}{3} = \frac{30}{3} = 10
\]
Answer: 10
Problem 2: $\frac{3}{4}$ of 36
\[
\frac{3}{4} \times 36 = \frac{3 \times 36}{4} = \frac{108}{4} = 27
\]
Answer: 27
Problem 3: $\frac{1}{5}$ of 20
\[
\frac{1}{5} \times 20 = \frac{1 \times 20}{5} = \frac{20}{5} = 4
\]
Answer: 4
Problem 4: $\frac{1}{3}$ of 33
\[
\frac{1}{3} \times 33 = \frac{1 \times 33}{3} = \frac{33}{3} = 11
\]
Answer: 11
Problem 5: $\frac{2}{5}$ of 45
\[
\frac{2}{5} \times 45 = \frac{2 \times 45}{5} = \frac{90}{5} = 18
\]
Answer: 18
Problem 6: $\frac{3}{5}$ of 60
\[
\frac{3}{5} \times 60 = \frac{3 \times 60}{5} = \frac{180}{5} = 36
\]
Answer: 36
Problem 7: $\frac{4}{7}$ of 28
\[
\frac{4}{7} \times 28 = \frac{4 \times 28}{7} = \frac{112}{7} = 16
\]
Answer: 16
Problem 8: $\frac{2}{7}$ of 56
\[
\frac{2}{7} \times 56 = \frac{2 \times 56}{7} = \frac{112}{7} = 16
\]
Answer: 16
Problem 9: $\frac{1}{4}$ of 48
\[
\frac{1}{4} \times 48 = \frac{1 \times 48}{4} = \frac{48}{4} = 12
\]
Answer: 12
Problem 10: $\frac{3}{7}$ of 70
\[
\frac{3}{7} \times 70 = \frac{3 \times 70}{7} = \frac{210}{7} = 30
\]
Answer: 30
Final Answers:
\[
\boxed{10, 27, 4, 11, 18, 36, 16, 16, 12, 30}
\]
Parent Tip: Review the logic above to help your child master the concept of fraction worksheet for grade 7.
