7/9
equivalent fraction for 21 over 23 = 42/46
The fraction 1 14/21 would be equivalent to 35/21.
180/210 is an equivalent fraction.
42 over 102 just multiply the numerator and denominator by the same number
21 over 30
1 over 3
6/21 = 2/7
7/21 = 1/3
21/25 = 42/50
The fraction 21/23 cannot be simplified. You could muliply both of them by the same number, and get a fraction like 42/46, but it's better to keep fractions simplified.
4/7
3/5