Solution - Adding, subtracting and finding the least common multiple
Step by Step Solution
Step 1 :
1
Simplify ——
10
Equation at the end of step 1 :
3 6 1
(— - ——) - ——
5 15 10
Step 2 :
2
Simplify —
5
Equation at the end of step 2 :
3 2 1
(— - —) - ——
5 5 10
Step 3 :
3
Simplify —
5
Equation at the end of step 3 :
3 2 1
(— - —) - ——
5 5 10
Step 4 :
Adding fractions which have a common denominator :
4.1 Adding fractions which have a common denominator
Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible:
3 - (2) 1
——————— = —
5 5
Equation at the end of step 4 :
1 1
— - ——
5 10
Step 5 :
Calculating the Least Common Multiple :
5.1 Find the Least Common Multiple
The left denominator is : 5
The right denominator is : 10
| Prime Factor | Left Denominator | Right Denominator | L.C.M = Max {Left,Right} |
|---|---|---|---|
| 5 | 1 | 1 | 1 |
| 2 | 0 | 1 | 1 |
| Product of all Prime Factors | 5 | 10 | 10 |
Least Common Multiple:
10
Calculating Multipliers :
5.2 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 = 2
Right_M = L.C.M / R_Deno = 1
Making Equivalent Fractions :
5.3 Rewrite the two fractions into equivalent fractions
L. Mult. • L. Num. 2 —————————————————— = —— L.C.M 10 R. Mult. • R. Num. 1 —————————————————— = —— L.C.M 10
Adding fractions that have a common denominator :
5.4 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:
2 - (1) 1
——————— = ——
10 10
Final result :
1
—— = 0.10000
10
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