6/7
both are divisible by seven. 42/49 = 6/7
7/9
2.45 = 49/20 in its lowest terms
49 over 50 is already in lowest terms.
It is already in lowest terms.
13/49 is in its lowest terms
29 over 49 is already in lowest terms as a fraction.
49/100 or 49%
3/49 is already a fraction in its lowest terms.
21 over 49 in lowest terms is 3/7
49% = 49/100
7