Compare 12/35 and 40/72
12/35 is smaller than 40/72
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 72 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 35 × 72 = 2520,
12/35 = 12 × 72/35 × 72 = 864/2520 - Likewise, for the 2nd fraction, since 72 × 35 = 2520,
40/72 = 40 × 35/72 × 35 = 1400/2520 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 864/2520 < 1400/2520 or 12/35 < 40/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/35 and 40/72 12/35 and 80/72 12/70 and 40/72 36/35 and 40/72 60/35 and 40/72 84/35 and 40/72