Compare 3/42 and 1/45
3/42 is greater than 1/45
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 45 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 42 × 15 = 630,
3/42 = 3 × 15/42 × 15 = 45/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
1/45 = 1 × 14/45 × 14 = 14/630 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 45/630 > 14/630 or 3/42 > 1/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/42 and 1/45 3/42 and 2/45 3/84 and 1/45 3/42 and 1/90 9/42 and 1/45 3/42 and 3/45 15/42 and 1/45 3/42 and 5/45 21/42 and 1/45 3/42 and 7/45