lance would like to decorate his scrap book project with ribbons. he bought 2 1/4 meter of red ribbon, 1/3 meter and 2/6 meter of green ribbon hold many meters of ribbon did he buy in all?
A. What is asked the problem
B.what are the given facts
C. Identify the operation/process to be used
D.write the mathematical sentences
E. the answer is. with solution
A. What is asked the problem
B.what are the given facts
C. Identify the operation/process to be used
D.write the mathematical sentences
E. the answer is. with solution
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Answer:
A. How many meters of ribbon did he buy in all?
B. 2 1/4 of red ribbon, 1/3 meter and 2/6 meter of green ribbon.
C. Addition
D. 2 1/4 + 1/3 + 2/6 = N
E. The answer is 2 11/12
First step: Find the LCD (Least Common Denominator)
4 - 4, 8, 12
3 - 3, 6, 9, 12
6 - 6, 12
LCD: 12
Second step: Change the dissimilar fractions to similar fractions.
LCD ÷ Denominator = Quotient x Numerator = Product (The product will be our numerator in our similar fractions and the LCD will be the denominator)
12 ÷ 4 = 3 x 1 =3
12 ÷ 3 = 4 x 1 = 4
12 ÷ 6 = 2 x 2 = 4
2 3/12 4/12 4/12
Third step: Add the similar fractions.
2 3/12 + 4/12+4/12= 2 11/12
2 11/12
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