Compare 40/70 and 1/30
40/70 is greater than 1/30
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
40/70 = 40 × 3/70 × 3 = 120/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
1/30 = 1 × 7/30 × 7 = 7/210 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 120/210 > 7/210 or 40/70 > 1/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/70 and 1/30 40/70 and 2/30 40/70 and 1/60 40/70 and 3/30 40/70 and 1/90 40/70 and 5/30 40/70 and 7/30