Compare 90/50 and 20/7
1st number: 1 40/50, 2nd number: 2 6/7
90/50 is smaller than 20/7
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 7 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 50 × 7 = 350,
90/50 = 90 × 7/50 × 7 = 630/350 - Likewise, for the 2nd fraction, since 7 × 50 = 350,
20/7 = 20 × 50/7 × 50 = 1000/350 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 630/350 < 1000/350 or 90/50 < 20/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/50 and 40/7 90/50 and 20/14 90/50 and 60/7 90/50 and 20/21 90/50 and 20/35 90/50 and 20/49