Fraction, Equivalent Fractions, Decimal 1/4, 2/8, 3/12, 4/16, 5/20, 6/24, 7/28, 8/ 32, 9/36, 10/40, 11/44, 12/ 3/4, 6/8, 9/12, 12/16, 15/20, 18/24, 21/28, 24/. We say that 1/2 is equivalent to 2/4. Fractions are determined to be equivalent by multiplying the numerator and denominator of one fraction by the same number. Equivalent Fractions Calculator. Find Fractions Equivalent to: enter one fraction. Answer: Some equivalent fractions of 1/5 are: 1/5 = 2/10 = 3/15 = 4/20 = 5/