Compare 70/90 and 63/7
1st number: 70/90, 2nd number: 9 0/7
70/90 is smaller than 63/7
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 7 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
70/90 = 70 × 7/90 × 7 = 490/630 - Likewise, for the 2nd fraction, since 7 × 90 = 630,
63/7 = 63 × 90/7 × 90 = 5670/630 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 490/630 < 5670/630 or 70/90 < 63/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/90 and 63/14 70/90 and 63/21 70/90 and 63/35 70/90 and 63/49