Compare 45/75 and 70/42
1st number: 45/75, 2nd number: 1 28/42
45/75 is smaller than 70/42
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 42 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 75 × 14 = 1050,
45/75 = 45 × 14/75 × 14 = 630/1050 - Likewise, for the 2nd fraction, since 42 × 25 = 1050,
70/42 = 70 × 25/42 × 25 = 1750/1050 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 630/1050 < 1750/1050 or 45/75 < 70/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/75 and 70/42 45/75 and 70/84