Respuesta :
Answer:
To make a high estimate for the sum of two fractions, find the commnon denominator and add them.
Step-by-step explanation:
To make a high estimate for the sum of two fractions in a word problem, rhe following steps are required.
Let the two fractions be represented as [tex]\frac{x}{y}[/tex] and [tex]\frac{a}{b}[/tex]
To perfrom the operation [tex]\frac{x}{y}[/tex] + [tex]\frac{a}{b}[/tex]
Step 1 : Check if the denominators of the fraction are same. If so then, then add the numerators directly by keeping the same denominator.
Step 2: If the denominators are different, then find the common denominator between the fractions and multiply them accordingly. Then perform the addition operation.
A high estimate of the sum of fractions is gotten by finding a common denominator of the fractions, and then sum them up afterwards.
Take for instance, the following sum of fractions:
[tex]\mathbf{\frac{1}{2} + \frac{5}7}[/tex]
Express 1/2 and 5/7 as fractions of the same denominators
[tex]\mathbf{\frac{1}{2} + \frac{5}7 = \frac{7}{14} + \frac{10}{14}}[/tex]
Take LCM
[tex]\mathbf{\frac{1}{2} + \frac{5}7 = \frac{7 + 10}{14}}[/tex]
Add the expressions on the numerator
[tex]\mathbf{\frac{1}{2} + \frac{5}7 = \frac{17}{14}}[/tex]
So, a high estimate of the sum of fractions is gotten by adding the fractions after finding a common denominator.
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