Compare 42/70 and 40/3
1st number: 42/70, 2nd number: 13 1/3
42/70 is smaller than 40/3
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 3 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
42/70 = 42 × 3/70 × 3 = 126/210 - Likewise, for the 2nd fraction, since 3 × 70 = 210,
40/3 = 40 × 70/3 × 70 = 2800/210 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 126/210 < 2800/210 or 42/70 < 40/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/70 and 40/3 42/70 and 80/3 42/70 and 40/6 42/70 and 40/9 42/70 and 40/15 42/70 and 40/21