I'll solve each subtraction problem step by step, finding common denominators and calculating carefully.
Problem 1: 1/2 - 3/8
- Common denominator: 8
- Convert: 1/2 = 4/8
- Subtract: 4/8 - 3/8 = 1/8
- Answer:
1/8 ✓
Problem 2: 7/8 - 8/10
- Common denominator: 40 (LCM of 8 and 10)
- Convert: 7/8 = 35/40, 8/10 = 32/40
- Subtract: 35/40 - 32/40 = 3/40
- Answer:
3/40 ✓
Problem 3: 8/11 - 2/3
- Common denominator: 33 (LCM of 11 and 3)
- Convert: 8/11 = 24/33, 2/3 = 22/33
- Subtract: 24/33 - 22/33 = 2/33
- Answer:
2/33 ✓
Problem 4: 4/5 - 11/20
- Common denominator: 20
- Convert: 4/5 = 16/20
- Subtract: 16/20 - 11/20 = 5/20 = 1/4
- Answer:
1/4 ✓
Problem 5: 7/8 - 5/12
- Common denominator: 24 (LCM of 8 and 12)
- Convert: 7/8 = 21/24, 5/12 = 10/24
- Subtract: 21/24 - 10/24 = 11/24
- Answer:
11/24 ✓
Final Answer:
1) 1/8
2) 3/40
3) 2/33
4) 1/4
5) 11/24
Parent Tip: Review the logic above to help your child master the concept of subtract unlike fractions worksheet.
