Compare 70/42 and 5/21
1st number: 1 28/42, 2nd number: 5/21
70/42 is greater than 5/21
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
70/42 = 70 × 1/42 × 1 = 70/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
5/21 = 5 × 2/21 × 2 = 10/42 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 70/42 > 10/42 or 70/42 > 5/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/42 and 10/21 70/84 and 5/21 70/42 and 5/42 70/42 and 15/21 70/42 and 5/63 70/42 and 25/21 70/42 and 35/21