Compare 7/20 and 70/45
1st number: 7/20, 2nd number: 1 25/45
7/20 is smaller than 70/45
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
7/20 = 7 × 9/20 × 9 = 63/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
70/45 = 70 × 4/45 × 4 = 280/180 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 63/180 < 280/180 or 7/20 < 70/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/20 and 70/45 7/40 and 70/45 7/20 and 70/90 21/20 and 70/45 7/60 and 70/45 35/20 and 70/45 49/20 and 70/45