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: - 770/110
- The prime factorizations of the numerator and denominator:
- 770 = 2 × 5 × 7 × 11
- 110 = 2 × 5 × 11
- 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 (770; 110) = 2 × 5 × 11 = 110
- 770/110 = - (770 ÷ 110)/(110 ÷ 110) = - 7/1 = - 7
The fraction can also be reduced without calculating GCF; factor the numerator and denominator and cross out all the common prime factors:
- 770/110 = - (2 × 5 × 7 × 11)/(2 × 5 × 11) = - ((2 × 5 × 7 × 11) ÷ (2 × 5 × 11))/((2 × 5 × 11) ÷ (2 × 5 × 11)) = - 7/1 = - 7
The fraction: - 778/119
- 778/119 is already reduced to the lowest terms.
The numerator and denominator have no common prime factors:
- 778 = 2 × 389
- 119 = 7 × 17
- GCF (778; 119) = 1