Compare 1/90 and 8/70
1/90 is smaller than 8/70
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
1/90 = 1 × 7/90 × 7 = 7/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
8/70 = 8 × 9/70 × 9 = 72/630 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 7/630 < 72/630 or 1/90 < 8/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/90 and 8/70 1/90 and 16/70 3/90 and 8/70 1/90 and 24/70 5/90 and 8/70 1/90 and 40/70 7/90 and 8/70 1/90 and 56/70