Question

Express the following ratio in the simplest form:
777 : 1147

Answer 1

777:1147 = `(777​÷37)/(1147÷37) = 21/31 ` (As the H.C.F. of 777 and 1147 is 37.)

Since the H.C.F. of 21 and 31 is 1, the simplest form of 777:1147 is 21:31.