Answer:
1/5
Explanation:
155 divided by 155 = 1
775 divided by 155 = 5
$155/ divided by 55 = 1/5
775 divided by 155 (both are together)
155/775 ( divide both by s) = 31/155
( divide both numerator and denominator by 31) = 1/5
155 775
5 x 31 5² x 31
GCF = 31 x 5
=155