Topic Review — Fractions #3 — Solutions

1. Q1 — Comparing fractions

   1. <  (912 < 1012) ▶ View Solution
   2. >  (3645 > 3545) ▶ View Solution
   3. >  (1524 > 1424) ▶ View Solution
   4. =  (equivalent fractions) ▶ View Solution
   5. 35 < 58 < 23 < 710 ▶ View Solution

2. Q2 — Add/subtract fractions

   1. 712 ▶ View Solution
   2. 712 ▶ View Solution
   3. 1712 ▶ View Solution
   4. 524 ▶ View Solution
   5. 1110 ▶ View Solution
   6. 1324 ▶ View Solution

3. Q3 — Mixed number add/subtract

   1. 4¼ ▶ View Solution
   2. 256 ▶ View Solution
   3. 6720 ▶ View Solution
   4. 238 ▶ View Solution

4. Q4 — Express as fraction and percentage

   1. 14 = 25% ▶ View Solution
   2. 2 hr = 120 min; 30120 = ¼ = 25% ▶ View Solution
   3. 2 km = 2000 m; 8002000 = 25 = 40% ▶ View Solution
   4. 1.5 L = 1500 mL; 3001500 = ⅕ = 20% ▶ View Solution
   5. 3 m = 300 cm; 45300 = 320 = 15% ▶ View Solution

5. Q5 — Mixed word problems

   1. 58 eaten; 38 remains. ▶ View Solution
   2. 1830 = 35 = 60%. ▶ View Solution
   3. 234 − 113 = 114 − 43 = 3312 − 1612 = 1712 = 1512 m. Yes, more than 1 m. ▶ View Solution
   4. LCD=12: 512+412+312=1212=1. Yes they add to 1. Winner: 512. ▶ View Solution

6. Q6 — Challenge

   1. LCD=24: 624+824+324=1724. Remaining = 724 of day = 7 hours. ▶ View Solution
   2. Flour: 2½ × 34 = 52 × 34 = 158 = 178 cups. Sugar: 2½ × 23 = 53 = 123 cups. ▶ View Solution