Compare 15/64 and 10/20
15/64 is smaller than 10/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 20 is 320
Next, find the equivalent fraction of both fractional numbers with denominator 320 - For the 1st fraction, since 64 × 5 = 320,
15/64 = 15 × 5/64 × 5 = 75/320 - Likewise, for the 2nd fraction, since 20 × 16 = 320,
10/20 = 10 × 16/20 × 16 = 160/320 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 75/320 < 160/320 or 15/64 < 10/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/64 and 10/20 15/64 and 10/40 45/64 and 10/20 15/64 and 30/20 15/64 and 10/60 75/64 and 10/20 15/64 and 50/20 15/64 and 70/20