1.two fractions whose difference is 20 3/5
2.two fractions whose sum is 18 1/2
3.two fractions whose difference is 5 1/3
4.two fractions whose sum 20 and whose difference is 1 1/2
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1.two fractions whose difference is 20 3/5
2.two fractions whose sum is 18 1/2
3.two fractions whose difference is 5 1/3
4.two fractions whose sum 20 and whose difference is 1 1/2
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1. 27 4/5 - 7 1/5
27 4/5
- 7 1/5
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20 3/5
2. 8 2/5 + 10 1/10
find the lcd: 10
2/5×2/2= 4/10
8 4/10
+ 10 1/10
--------------
18 5/10 or 18 1/2
3. 10 24/36 - 5 1/3
find the lcd: 36
1/3×12/12= 12/36
10 24/36
-5 12/36
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5 12/36 or 5 1/3
4. 10 3/4 ± 9 4/16
DIFFERENCE:
Find the lcd: 16
3/4×4/4= 12/16
10 12/16
-9 4/16
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1 8/16 or 1 1/2
SUM:
Find the lcd: 16
3/4×4/4= 12/16
10 12/16
+9 4/16
-------------
19 16/16 or 20