Compare 9/64 and 21/70
9/64 is smaller than 21/70
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 70 is 2240
Next, find the equivalent fraction of both fractional numbers with denominator 2240 - For the 1st fraction, since 64 × 35 = 2240,
9/64 = 9 × 35/64 × 35 = 315/2240 - Likewise, for the 2nd fraction, since 70 × 32 = 2240,
21/70 = 21 × 32/70 × 32 = 672/2240 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 315/2240 < 672/2240 or 9/64 < 21/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/64 and 21/70 9/64 and 42/70 27/64 and 21/70 9/64 and 63/70 45/64 and 21/70 63/64 and 21/70