Compare 4/10 and 84/42
1st number: 4/10, 2nd number: 2 0/42
4/10 is smaller than 84/42
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 10 × 21 = 210,
4/10 = 4 × 21/10 × 21 = 84/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
84/42 = 84 × 5/42 × 5 = 420/210 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 84/210 < 420/210 or 4/10 < 84/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/10 and 84/42 4/20 and 84/42 12/10 and 84/42 4/30 and 84/42 20/10 and 84/42 4/50 and 84/42 28/10 and 84/42 4/70 and 84/42