Compare 45/7 and 18/30
1st number: 6 3/7, 2nd number: 18/30
45/7 is greater than 18/30
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 7 × 30 = 210,
45/7 = 45 × 30/7 × 30 = 1350/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
18/30 = 18 × 7/30 × 7 = 126/210 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1350/210 > 126/210 or 45/7 > 18/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/7 and 18/30 45/7 and 36/30 45/14 and 18/30 45/7 and 18/60 45/7 and 54/30 45/21 and 18/30 45/7 and 18/90 45/7 and 90/30 45/35 and 18/30 45/49 and 18/30