Compare 10/72 and 42/64
10/72 is smaller than 42/64
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 64 is 576
Next, find the equivalent fraction of both fractional numbers with denominator 576 - For the 1st fraction, since 72 × 8 = 576,
10/72 = 10 × 8/72 × 8 = 80/576 - Likewise, for the 2nd fraction, since 64 × 9 = 576,
42/64 = 42 × 9/64 × 9 = 378/576 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 80/576 < 378/576 or 10/72 < 42/64
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/72 and 42/64 10/72 and 84/64 30/72 and 42/64 50/72 and 42/64 70/72 and 42/64