Compare 63/45 and 56/20
1st number: 1 18/45, 2nd number: 2 16/20
63/45 is smaller than 56/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
63/45 = 63 × 4/45 × 4 = 252/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
56/20 = 56 × 9/20 × 9 = 504/180 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 252/180 < 504/180 or 63/45 < 56/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/90 and 56/20 63/45 and 56/40 63/45 and 56/60