Compare 4/42 and 1/40
4/42 is greater than 1/40
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 40 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 42 × 20 = 840,
4/42 = 4 × 20/42 × 20 = 80/840 - Likewise, for the 2nd fraction, since 40 × 21 = 840,
1/40 = 1 × 21/40 × 21 = 21/840 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 80/840 > 21/840 or 4/42 > 1/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/42 and 1/40 4/42 and 2/40 4/84 and 1/40 4/42 and 1/80 12/42 and 1/40 4/42 and 3/40 20/42 and 1/40 4/42 and 5/40 28/42 and 1/40 4/42 and 7/40