Equivalent Fractions & Comparing — Answer Key
Part A: Fill in the Blank
Write the missing word or number on each line.
1. 35 = 9 15 .
35 × 33 = 915.
2. 1216 in simplest form is 34.
GCF(12,16)=4. 12÷4=3, 16÷4=4. Answer: 34.
3. 27 = 6 21 .
27 × 33 = 621.
4. The GCF of 8 and 12 is 4.
Factors of 8: 1,2,4,8. Factors of 12: 1,2,3,4,6,12. GCF = 4.
5. 56 = 10 12 .
56 × 22 = 1012.
6. 912 in simplest form is 34.
GCF(9,12)=3. 9÷3=3, 12÷3=4. Answer: 34.
7. 45 = 16 20 .
45 × 44 = 1620.
8. To simplify 1525, divide both by 5.
GCF(15,25)=5. 15÷5=3, 25÷5=5. Simplified: 35.
9. 78 = 21 24 .
78 × 33 = 2124.
Part B: Matching
Match each item on the left to the correct answer on the right.
1. Match each item to its correct answer.
412
→ 13
25
610
→ 35
57
1014
→ 57
13
820
→ 25
35
412=13; 610=35; 1014=57; 820=25.