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Example of addition of Fractions:
105/64 + 15/32 + 1/6 =____
would require the denominator to be equal to 64 x 32 x 6 = 12,288. This type of number is very hard to use.
In the earlier example
1/3 + 8/6 = was shown to equal
6/18 +24/18 = 30/18
You remembered that both 30 and 18 can be divided by 6; if this is done:
30 ÷ 6/18÷ 6 = 5/3
Through doing this we arrive at a smaller and more useful number: 5/3 takes the place of 30/18.
The sum of two or more fractions decreased to its simplest form contains the smallest possible denominator common to both fractions. This denominator is known as the least common denominator (LCD).
you are in charge of making punch for an upcoming dance. the punch recipe makes 5 cups of punch by making 3 cups of cranberry juice with 2 cups of apple juice. What is the ratio of
Find the least number that is divisible by all numbers between 1 and 10 (both inclusive). Ans: The required number is the LCM of 1,2,3,4,5,6,7,8,9,10 ∴ LCM = 2 × 2
The index of industrial production This is a quantity index compiled by the government. This measures changes in the volume of production in main industries. The index is a ex
3/4=x/23.
show that one of the straight lines given by ax2+2hxy+by2=o bisect an angle between the co ordinate axes, if (a+b)2=4h2
Finding the number of Permutations of 'n' dissimilar things taken 'r' at a time: After looking at the definition of permutations, we look at how to evolve a
A real estate agent makes a 1.5% commission on her sales. What is her commission if she sells a $359,000 house? Multiply $359,000 by the decimal equivalent of 1.5% (0.015) to ?
An ice-cream cone has a hemispherical top. If the height of the cone is 9 cm and base radius is 2.5 cm, find the volume of ice cream cone.
1.If a+b=2b and ab+cd+ad=3bc,prove that a,b,c,d are in A.P 2.The nth term of an A.P is an+b.Find the sum of the series upto n terms.
If the p th , q th & r th term of an AP is x, y and z respectively, show that x(q-r) + y(r-p) + z(p-q) = 0 Ans: p th term ⇒ x = A + (p-1) D q th term ⇒ y = A + (
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