Compare 7/45 and 4/30
7/45 is greater than 4/30
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
7/45 = 7 × 2/45 × 2 = 14/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
4/30 = 4 × 3/30 × 3 = 12/90 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 14/90 > 12/90 or 7/45 > 4/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/45 and 4/30 7/45 and 8/30 7/90 and 4/30 7/45 and 4/60 21/45 and 4/30 7/45 and 12/30 7/45 and 4/90 35/45 and 4/30 7/45 and 20/30 49/45 and 4/30 7/45 and 28/30