4.5 - 3 ¼ =___
patulong po
need ko po later :((
with solutions po
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4.5 - 3 ¼ =___
patulong po
need ko po later :((
with solutions po
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Answer:
4.5 - (3 1/4) = 5/ 4 = 1 1/ 4 = 1.25
How do you solve fractions step by step?
Conversion a decimal number to a fraction: 4.5 = 45/10 = 9/2
a) Write down the decimal 4.5 divided by 1: 4.5 = 4.5/1
b) Multiply both top and bottom by 10 for every number after the decimal point. (For example, if there are two numbers after the decimal point, then use 100, if there are three then use 1000, etc.)
4.5/1 = 45/10
Note: 45/10 is called a decimal fraction.
c) Simplify and reduce the fraction
45/10 = 9 * 5/2 * 5 = 9 * 5/2 * 5 = 9/2
Conversion a mixed number 3 1/4 to a improper fraction: 3 1/4 = 3 1/4 = 3 · 4 + 1/4 = 12 + 1/4 = 13/4
To find a new numerator:
a) Multiply the whole number 3 by the denominator 4. Whole number 3 equally 3 * 4/4 = 12/4
b) Add the answer from previous step 12 to the numerator 1. New numerator is 12 + 1 = 13
c) Write a previous answer (new numerator 13) over the denominator 4.
Three and one quarter is thirteen quarters
Subtract:
4.5 - 13/4 = 9/2 - 13/4 = 9 · 2/2 · 2 - 13/4 = 18/4 - 13/4 = 18 - 13/4 = 5/4
For adding, subtracting, and comparing fractions, it is suitable to adjust both fractions to a common (equal, identical) denominator. The common denominator you can calculate as the least common multiple of both denominators - LCM(2, 4) = 4. In practice, it is enough to find the common denominator (not necessarily the lowest) by multiplying the denominators: 2 × 4 = 8. In the following intermediate step, the fraction result cannot be further simplified by canceling.
In other words - nine halves minus thirteen quarters = five quarters.
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