Mixed Numbers and Improper Fractions — Answer Key
Part A: Multiple Choice
Circle the best answer for each question.
1. Which list shows fractions that are all equal to 5/2?
A) 10/4, 15/6, 20/8
B) 10/4, 15/4, 20/4
C) 5/4, 5/6, 5/8
D) 10/2, 15/2, 20/2
Grade 4: 5/2 = 10/4 = 15/6 = 20/8 — equivalent fractions.
2. Which is 5/2 written in simplest mixed-number form?
A) 1 3/2
B) 2 1/2
C) 2 2/4
D) 1 5/4
Grade 4: 5 ÷ 2 = 2 R 1, giving 2 1/2 — already simplest.
3. Which improper fraction equals 3 2/4 in simplest form?
A) 14/4
B) 12/4
C) 7/2
D) 10/4
Grade 4: 3 2/4 = 3 1/2 = 7/2 — simplest improper form.
4. Write 18/12 as a mixed number in simplest form.
A) 1 6/12
B) 1 1/2
C) 2 1/2
D) 1 3/4
Grade 4: 18/12 = 1 6/12 = 1 1/2 in simplest form.
Part B: Fill in the Blank
Write the correct answer on each line.
1. 5/2 = 10/4 = 15 /6 (next equivalent fraction in the chain).
Grade 4: 5×3/2×3 = 15/6, equal to 5/2.
2. Write 7/2 as a mixed number in simplest form: 3 1/2.
Grade 4: 7 ÷ 2 = 3 R 1, so 7/2 = 3 1/2.
3. Simplify 8/6 first to 4/3, then write as a mixed number: 1 1 /3.
Grade 4: 8/6 = 4/3 = 1 1/3 in simplest mixed form.
4. 20/8 in simplest mixed form is 2 1 /2.
Grade 4: 20/8 = 5/2 = 2 1/2.
5. Express 15/6 in simplest mixed form: 2 1/2.
Grade 4: 15/6 = 5/2 = 2 1/2 in simplest form.