Compare 90/70 and 9/5
1st number: 1 20/70, 2nd number: 1 4/5
90/70 is smaller than 9/5
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 5 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
90/70 = 90 × 1/70 × 1 = 90/70 - Likewise, for the 2nd fraction, since 5 × 14 = 70,
9/5 = 9 × 14/5 × 14 = 126/70 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 90/70 < 126/70 or 90/70 < 9/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/70 and 18/5 90/70 and 9/10 90/70 and 27/5 90/70 and 9/15 90/70 and 45/5 90/70 and 9/25 90/70 and 63/5 90/70 and 9/35