Simplify the operation
Reduce (simplify) the fractions to their lowest terms equivalents:
- To reduce a fraction to the lowest terms equivalent: divide both the numerator and denominator by their greatest common factor, GCF.
The fraction: 205/307
205/307 is already reduced to the lowest terms.
The numerator and denominator have no common prime factors:
- 205 = 5 × 41
- 307 is a prime number.
- GCF (205; 307) = 1
The fraction: 233/350
233/350 is already reduced to the lowest terms.
The numerator and denominator have no common prime factors:
- 233 is a prime number.
- 350 = 2 × 52 × 7
- GCF (233; 350) = 1
The fraction: 211/325
211/325 is already reduced to the lowest terms.
The numerator and denominator have no common prime factors:
- 211 is a prime number.
- 325 = 52 × 13
- GCF (211; 325) = 1
The fraction: 198/367
198/367 is already reduced to the lowest terms.
The numerator and denominator have no common prime factors:
- 198 = 2 × 32 × 11
- 367 is a prime number.
- GCF (198; 367) = 1
The fraction: 204/416
- The prime factorizations of the numerator and denominator:
- 204 = 22 × 3 × 17
- 416 = 25 × 13
- Multiply all the common prime factors: if there are repeating prime factors we only take them once, and only the ones having the lowest exponent (the lowest powers).
- GCF (204; 416) = 22 = 4
204/416 = (204 ÷ 4)/(416 ÷ 4) = 51/104
The fraction can also be reduced without calculating GCF; factor the numerator and denominator and cross out all the common prime factors:
204/416 = (22 × 3 × 17)/(25 × 13) = ((22 × 3 × 17) ÷ 22)/((25 × 13) ÷ 22) = 51/104
Calculate the common denominator
The common denominator is nothing else than the least common multiple (LCM) of the denominators of the fractions.
To calculate the LCM, we need the prime factorization of the denominators:
307 is a prime number.
350 = 2 × 52 × 7
325 = 52 × 13
367 is a prime number.
104 = 23 × 13
Multiply all the unique prime factors: if there are repeating prime factors we only take them once, and only the ones having the highest exponent (the highest powers).
LCM (307, 350, 325, 367, 104) = 23 × 52 × 7 × 13 × 307 × 367 = 2,050,575,800
Calculate the expanding number of each fraction:
Divide the LCM by the denominator of each fraction.
205/307 ⟶ 2,050,575,800 ÷ 307 = (23 × 52 × 7 × 13 × 307 × 367) ÷ 307 = 6,679,400
233/350 ⟶ 2,050,575,800 ÷ 350 = (23 × 52 × 7 × 13 × 307 × 367) ÷ (2 × 52 × 7) = 5,858,788
211/325 ⟶ 2,050,575,800 ÷ 325 = (23 × 52 × 7 × 13 × 307 × 367) ÷ (52 × 13) = 6,309,464
198/367 ⟶ 2,050,575,800 ÷ 367 = (23 × 52 × 7 × 13 × 307 × 367) ÷ 367 = 5,587,400
51/104 ⟶ 2,050,575,800 ÷ 104 = (23 × 52 × 7 × 13 × 307 × 367) ÷ (23 × 13) = 19,717,075
Make the denominators of the fractions the same:
- Expand each fraction: multiply both its numerator and denominator by its corresponding expanding number, calculated above.
- This way all the fractions will have the same denominator:
205/307 = (6,679,400 × 205)/(6,679,400 × 307) = 1,369,277,000/2,050,575,800
233/350 = (5,858,788 × 233)/(5,858,788 × 350) = 1,365,097,604/2,050,575,800
211/325 = (6,309,464 × 211)/(6,309,464 × 325) = 1,331,296,904/2,050,575,800
198/367 = (5,587,400 × 198)/(5,587,400 × 367) = 1,106,305,200/2,050,575,800
51/104 = (19,717,075 × 51)/(19,717,075 × 104) = 1,005,570,825/2,050,575,800