4.2 Adding and subtracting fractions — Practise

1. Answer 1

Answer: $\frac{3}{11}+\frac{5}{11}=\frac{8}{11}.$

2. Answer 2

Answer: $\frac{5}{6}-\frac{1}{4}=\frac{10}{12}-\frac{3}{12}=\frac{7}{12}.$

3. Answer 3

Answer: $\frac{5}{3}+\frac{11}{4}=\frac{20}{12}+\frac{33}{12}=\frac{53}{12}=4\frac{5}{12}.$

4. Answer 4

Answer: $\frac{7}{8}-\frac{1}{3}=\frac{21}{24}-\frac{8}{24}=\frac{13}{24}.$

5. Answer 5

Answer: $\frac{6}{12}+\frac{8}{12}-\frac{3}{12}=\frac{11}{12}$.