Compare 70/30 and 3/42
1st number: 2 10/30, 2nd number: 3/42
70/30 is greater than 3/42
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
70/30 = 70 × 7/30 × 7 = 490/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
3/42 = 3 × 5/42 × 5 = 15/210 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 490/210 > 15/210 or 70/30 > 3/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/30 and 6/42 70/60 and 3/42 70/30 and 3/84 70/30 and 9/42 70/90 and 3/42 70/30 and 15/42 70/30 and 21/42