Problem 1 :
Problem 2 :
Problem 3 :
Problem 4 :
Problem 5 :
Problem 6 :
Problem 1 :
Simplify the following and write your answer as a proper fraction or as a whole or mixed number.
Solution :
Since the denominators are same, we can put only one common denominator and combine the numerators.
= (3 + 4)/7
= 7/7
= 1
Problem 2 :
Simplify the following and write your answer as a proper fraction or as a whole or mixed number.
Solution :
Since the denominators are same, we can put only one common denominator and combine the numerators.
= (12 - 4)/13
= 8/13
Problem 3 :
Simplify the following and write your answer as a proper fraction or as a whole or mixed number.
Solution :
Since the denominators are not same, we need to take L.C.M in order to convert the denominators same.
L.C.M (4, 3) = 12
= (3/4) x (3/3) + (2/3) x (4/4)
= (9/12) + (8/12)
= (9 + 8)/12
= 17/12
The numerator is grater than the denominator, we have to convert it into mixed fraction.
= 1 5/12
Problem 4 :
Simplify the following and write your answer as a proper fraction or as a whole or mixed number.
Solution :
Since the denominators are not same, we need to take L.C.M in order to convert the denominators same.
L.C.M (3, 4) = 12
= (2/3) x (4/4) - (1/4) x (3/3)
= (8/12) - (3/12)
= (8 - 3)/12
= 5/12
Problem 5 :
Simplify the following and write your answer as a proper fraction or as a whole or mixed number.
Solution :
Now we need to consider the given question as two parts.
First we have to simplify the fractions inside the parenthesis.
Subtract 2/9 from the simplified answer.
= {(8/9) - (1/9)} - (2/9)
= (8- 1)/9 - (2/9)
= (7/9) - (2/9)
= (7 - 2)/9
= 5/9
Problem 6 :
Simplify the following and write your answer as a proper fraction or as a whole or mixed number.
Solution :
Since the denominators are not same, we have to L.C.M in order to convert the denominators same.
L.C.M (4, 5, 8) = 40
= (3/4) x (10/10) + (2/5) x (8/8) + (4/8) x (5/5)
= (30 + 16 + 20)/40
= 66/20
= 33/10
Since the numerator is greater than the denominator, we have to convert into mixed fraction.
= 3 3/10
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