Compare 3/30 and 4/40
3/30 is equivalent to 4/40
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
3/30 = 3 × 4/30 × 4 = 12/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
4/40 = 4 × 3/40 × 3 = 12/120 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 12/120 = 12/120 or 3/30 = 4/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/30 and 4/40 3/30 and 8/40 3/60 and 4/40 3/30 and 4/80 9/30 and 4/40 3/30 and 12/40 3/90 and 4/40 15/30 and 4/40 3/30 and 20/40 21/30 and 4/40 3/30 and 28/40