Compare 70/27 and 42/20
1st number: 2 16/27, 2nd number: 2 2/20
70/27 is greater than 42/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 20 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 27 × 20 = 540,
70/27 = 70 × 20/27 × 20 = 1400/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
42/20 = 42 × 27/20 × 27 = 1134/540 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1400/540 > 1134/540 or 70/27 > 42/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/27 and 84/20 70/54 and 42/20 70/27 and 42/40 70/81 and 42/20 70/27 and 42/60