7:3
12/63 = 4/21
Simplifying ratio 12:21 gives you 4:7
It is: 12 to 21
7:12
63/12 reduce to 21/4
The ratio, as a fraction, is 7/12. The two steps are: -- Convert all units to inches (1 foot = 12 inches, so 3 feet = 36 inches) -- Reduce the ratio 21/36 (the numbers 21 and 36 have a GCF of 3) 21 divided by 3 = 7 36 divided by 3 is 12 21/36 = 7/12
12 and 21
90
12 is a single number. In so far as it can represent a ratio, it is a ratio of 12 to 1: a unit ratio.12 is a single number. In so far as it can represent a ratio, it is a ratio of 12 to 1: a unit ratio.12 is a single number. In so far as it can represent a ratio, it is a ratio of 12 to 1: a unit ratio.12 is a single number. In so far as it can represent a ratio, it is a ratio of 12 to 1: a unit ratio.
In it's simplest form: 24:42 12:21 4:7
The musical interval between two notes depends on the ratio of their frequencies. An octave is a ratio of 2:1 and, in equal temperament comprises 12 equal semitones, which therefore have a ratio of 21/12.