Compare 40/72 and 3/70
40/72 is greater than 3/70
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 70 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 72 × 35 = 2520,
40/72 = 40 × 35/72 × 35 = 1400/2520 - Likewise, for the 2nd fraction, since 70 × 36 = 2520,
3/70 = 3 × 36/70 × 36 = 108/2520 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1400/2520 > 108/2520 or 40/72 > 3/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/72 and 3/70 40/72 and 6/70 40/72 and 9/70 40/72 and 15/70 40/72 and 21/70