Compare 40/20 and 12/70
1st number: 2 0/20, 2nd number: 12/70
40/20 is greater than 12/70
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
40/20 = 40 × 7/20 × 7 = 280/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
12/70 = 12 × 2/70 × 2 = 24/140 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 280/140 > 24/140 or 40/20 > 12/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/20 and 12/70 40/20 and 24/70 40/20 and 36/70 40/60 and 12/70 40/20 and 60/70 40/20 and 84/70