Students complete nine problems converting 3/4 and 5/6 to twelfths, comparing using the LCD result, and converting between mixed numbers and improper fractions. The matching activity pairs 3 1/5, 2 7/8, 1 3/4, and 4 2/3 with their improper fraction equivalents.
Converting mixed numbers to improper fractions is the essential preparation for multiplication and division of fractions in Grade 5.
Style:
Equivalent Fractions & Comparing
Part A: Fill in the Blank
Write the missing word or number on each line.
1. To compare 34 and 56, rewrite with LCD 12: 34 = 9 12 .
2. 56 = 10 12 .
3. Since 912 < 1012, the fraction 34 is less than 56.
4. The improper fraction 114 written as a mixed number is 234.
5. The mixed number 325 written as an improper fraction is 175.
6. The LCD of 3 and 8 is 24.
7. 23 compared to 59: 23 = 69, so 23 is greater than 59.
8. The improper fraction 92 as a mixed number is 412.
9. The mixed number 158 as an improper fraction is 138.
Part B: Matching
Match each item on the left to the correct answer on the right.
1. Match each item to its correct answer.
315
→ 165
74
278
→ 238
143
134
→ 74
238
423
→ 143
165
Equivalent Fractions & Comparing
★ Part A: Fill in the Blank
Write the missing word or number on each line.
1) To compare 3/4 and 5/6, rewrite with LCD 12: 3/4 = 9/12.
2) 5/6 = 10/12.
3) Since 9/12 < 10/12, the fraction 3/4 is less than 5/6.
4) The improper fraction 11/4 written as a mixed number is 2 3/4.
5) The mixed number 3 2/5 written as an improper fraction is 17/5.
6) The LCD of 3 and 8 is 24.
7) 2/3 compared to 5/9: 2/3 = 6/9, so 2/3 is greater than 5/9.
8) The improper fraction 9/2 as a mixed number is 4 1/2.
9) The mixed number 1 5/8 as an improper fraction is 13/8.
★ Part B: Matching
Match each item on the left to the correct answer on the right.
1) Match each item to its correct answer.
3 1/5
→ 16/5
7/4
2 7/8
→ 23/8
14/3
1 3/4
→ 7/4
23/8
4 2/3
→ 14/3
16/5
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10 Questions
10-15 minutes
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