Compare 18/42 and 98/40
1st number: 18/42, 2nd number: 2 18/40
18/42 is smaller than 98/40
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,
18/42 = 18 × 20/42 × 20 = 360/840 - Likewise, for the 2nd fraction, since 40 × 21 = 840,
98/40 = 98 × 21/40 × 21 = 2058/840 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 360/840 < 2058/840 or 18/42 < 98/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/42 and 98/40 18/84 and 98/40 18/42 and 98/80 54/42 and 98/40 90/42 and 98/40