PLS NO SOLUTION NEEDED
1) 4 8/9 + 5/6 =N *
4 13/18
5 13/18
5 1/18
Other:
This is a required question
2) 6 5/8 + 2/3 =? *
6 5/24
7 7/24
5 1/18
Other:
This is a required question
3) 12 1/2 + 8/9 =? *
12 5/18
13 7/18
13 1/18
Other:
This is a required question
4) 4 8/9 + 3/5 =? *
5 22/45
4 1/18
6 2/10
Other:
5) 9 6/7 + 8/14 =? *
10 3/7
10 1/7
9 4/7
Other:
6) To stay healthy, Christine decided to walk for 1 1/5 kilometers to work, walk 1/4 kilometer at lunch time, and 1/3 kilometer after dinner. How many kilometers did Christine walk in all? *
1 47/60
2 47/60
1 2/15
Other:
7) On her way to school, Gina travels 6 1/2 kilometers by bus and 3/4 kilometer by tricycle. How far does she travel from her home to school? *
7 1/4
8 1/4
7 2/3
Other:
8) A dressmaker used 1 1/10 meters of cloth for a pair of pants and 3/4 meter for skirt. How many meters of cloth were used? *
1 7/10
1 17/20
1 1/12
Other:
9) In a class of 60 pupils, 2/3 of them like chocolate as their ice cream flavor. 3/4 of the class likes ube flavor. What portion of the class like both? How many pupils prefer both chocolate and ube? *
5/12 , 25 pupils
7/12, 25 pupils
11/12, 25 pupils
Other:
10) Rina has a sack of white pebbles to sell. She was able to sell 1/4 of the sack plus 3 1/5 kg to her first buyer. She sold another 1/2 sack to her second buyer. Then, she sold the remaining 8 2/5 kg to the third buyer. How many kilograms of white pebbles are there in the sack? *
46 2/5 kg
45 3/7 kg
40 1/9 kg
Answers & Comments
Verified answer
Answer:
1. 4 8/9 + 5/6
4×9+8/9 + 5/6
44/9 + 5/6
44×2/9×2 + 5×3/6×3
88/18 + 15/18
= 103/18 or 5 13/18
2. 6 5/8 + 2/3
6×8+5/8 + 2/3
53/8 + 2/3
53×3/8×3 + 2×8/3×8
159/24 + 16/24
= 175/24 or 7 7/24
3. 12 1/2 + 8/9
12×2+1/2 + 8/9
25/2 + 8/9
25×9/2×9 + 8×2/9×2
225/18 + 16/18
= 241/18 or 13 7/18
4. 4 8/9 + 3/5
4×9+8/9 + 3/5
44/9 + 3/5
44×5/9×5 + 3×9/5×9
220/45 + 27/45
= 247/45 or 5 22/45
5. 9 6/7 + 8/14
9×7+6/7 + 8/14
69/7 + 8/14
69×2/7×2 + 8/14
138/14 + 8/14
146/14 ÷ 2/2
= 73/7 or 10 3/7
6. 1 1/5 + 1/4 + 1/3
1×5+1/5 + 1/4 + 1/3
6/5 + 1/4 + 1/3
6×12/5×12 + 1×15/4×15 + 1×20/3×20
72/60 + 15/60 + 20/60
= 107/60 or 1 47/60
7. 6 1/2 + 3/4
6×2+1/2 + 3/4
13/2 + 3/4
13×2/2×2 + 3/4
26/4 + 3/4
= 29/4 or 7 1/4
8. 1 1/10 + 3/4
1×10+1/10 + 3/4
11/10 + 3/4
11×2/10×2 + 3×5/4×5
22/20 + 15/20
= 37/20 or 1 17/20
9. 2/3 + 3/4
2×4/3×4 + 3×3/4×3
8/12 + 9/12
= 17/12 or 1 5/12
60 × 17/12
1020/12 ÷ 12/12
= 85
85 - 60
= 25
17/12 , 25 pupils
10. 1/4 + 3 1/5 + 1/2 + 8 2/5
1/4 + 3×5+1/5 + 1/2 + 8×5+2/5
1/4 + 16/5 + 1/2 + 42/5
1×5/4×5 + 16×4/5×4 + 1×10/2×10 + 42×4/5×4
5/20 + 64/20 + 10/20 + 168/20
= 247/20 or 12 7/20