Compare 8/90 and 10/42
8/90 is smaller than 10/42
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 42 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
8/90 = 8 × 7/90 × 7 = 56/630 - Likewise, for the 2nd fraction, since 42 × 15 = 630,
10/42 = 10 × 15/42 × 15 = 150/630 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 56/630 < 150/630 or 8/90 < 10/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/90 and 10/42 8/90 and 20/42 8/90 and 10/84 24/90 and 10/42 8/90 and 30/42 40/90 and 10/42 8/90 and 50/42 56/90 and 10/42 8/90 and 70/42