Compare 12/56 and 50/90
12/56 is smaller than 50/90
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 90 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 56 × 45 = 2520,
12/56 = 12 × 45/56 × 45 = 540/2520 - Likewise, for the 2nd fraction, since 90 × 28 = 2520,
50/90 = 50 × 28/90 × 28 = 1400/2520 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 540/2520 < 1400/2520 or 12/56 < 50/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/56 and 50/90 36/56 and 50/90 60/56 and 50/90 84/56 and 50/90