Compare 42/70 and 10/84
42/70 is greater than 10/84
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 70 × 6 = 420,
42/70 = 42 × 6/70 × 6 = 252/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
10/84 = 10 × 5/84 × 5 = 50/420 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 252/420 > 50/420 or 42/70 > 10/84
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 10/84 42/70 and 20/84 42/70 and 30/84 42/70 and 50/84 42/70 and 70/84