Answer:

Equivalent fractions are fractions that have the same value.

2 / 3, 4 / 6 , 6 / 9, 10 / 15 , 14 / 21, ….. 2a / 3a are fractions which all cancel down to 2 / 3 in their simplest form, so they are all equal in value. Such fractions are said to be equivalent to each other.