Compare 18/30 and 7/56
18/30 is greater than 7/56
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 30 × 28 = 840,
18/30 = 18 × 28/30 × 28 = 504/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
7/56 = 7 × 15/56 × 15 = 105/840 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 504/840 > 105/840 or 18/30 > 7/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/30 and 7/56 18/30 and 14/56 18/60 and 7/56 54/30 and 7/56 18/30 and 21/56 18/90 and 7/56 90/30 and 7/56 18/30 and 35/56 18/30 and 49/56