47 ÷ 2 = 27 1216 ÷ 12 = 116 37 ÷ 3 = 17
6. Multiplying both numerator and denominator of a fraction by the same number does not change the value of the fraction.
13 × 3 × 3 = 39 = 13 67 × 2 × 2 = 1214 = 67
7. Dividing both numerator and denominator of a fraction by the same number does not change the value of the fraction.
1215 ÷ 3 ÷ 3 = 45 = 1215 1827 ÷ 9 ÷ 9 = 23 = 1827
Reduction of Fractions
is the process of changing their forms without altering their values.
To reduce a fraction to its lowest terms:
Rule.—Divide both terms by their greatest common divisor.
Reduce 8⁄12 to its lowest terms.