Solution - Adding, subtracting and finding the least common multiple
Step by Step Solution
Rearrange:
Rearrange the equation by subtracting what is to the right of the less equal sign from both sides of the inequality :
1/4+m-(1/2)≤0
Step by step solution :
Step 1 :
1
Simplify —
2
Equation at the end of step 1 :
1 1
(— + m) - — ≤ 0
4 2
Step 2 :
1
Simplify —
4
Equation at the end of step 2 :
1 1
(— + m) - — ≤ 0
4 2
Step 3 :
Rewriting the whole as an Equivalent Fraction :
3.1 Adding a whole to a fraction
Rewrite the whole as a fraction using 4 as the denominator :
m m • 4
m = — = —————
1 4
Equivalent fraction : The fraction thus generated looks different but has the same value as the whole
Common denominator : The equivalent fraction and the other fraction involved in the calculation share the same denominator
Adding fractions that have a common denominator :
3.2 Adding up the two equivalent fractions
Add the two equivalent fractions which now have a common denominator
Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible:
1 + m • 4 4m + 1
————————— = ——————
4 4
Equation at the end of step 3 :
(4m + 1) 1
———————— - — ≤ 0
4 2
Step 4 :
Calculating the Least Common Multiple :
4.1 Find the Least Common Multiple
The left denominator is : 4
The right denominator is : 2
Prime Factor | Left Denominator | Right Denominator | L.C.M = Max {Left,Right} |
---|---|---|---|
2 | 2 | 1 | 2 |
Product of all Prime Factors | 4 | 2 | 4 |
Least Common Multiple:
4
Calculating Multipliers :
4.2 Calculate multipliers for the two fractions
Denote the Least Common Multiple by L.C.M
Denote the Left Multiplier by Left_M
Denote the Right Multiplier by Right_M
Denote the Left Deniminator by L_Deno
Denote the Right Multiplier by R_Deno
Left_M = L.C.M / L_Deno = 1
Right_M = L.C.M / R_Deno = 2
Making Equivalent Fractions :
4.3 Rewrite the two fractions into equivalent fractions
Two fractions are called equivalent if they have the same numeric value.
For example : 1/2 and 2/4 are equivalent, y/(y+1)2 and (y2+y)/(y+1)3 are equivalent as well.
To calculate equivalent fraction , multiply the Numerator of each fraction, by its respective Multiplier.
L. Mult. • L. Num. (4m+1) —————————————————— = —————— L.C.M 4 R. Mult. • R. Num. 2 —————————————————— = — L.C.M 4
Adding fractions that have a common denominator :
4.4 Adding up the two equivalent fractions
(4m+1) - (2) 4m - 1
———————————— = ——————
4 4
Equation at the end of step 4 :
4m - 1
—————— ≤ 0
4
Step 5 :
5.1 Multiply both sides by 4
5.2 Divide both sides by 4
m-(1/4) ≤ 0
Solve Basic Inequality :
5.3 Add 1/4 to both sides
m ≤ 1/4
Inequality Plot :
5.4 Inequality plot for
m - 0.250 ≤ 0
One solution was found :
m ≤ 1/4How did we do?
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