Compare 42/70 and 8/15
42/70 is greater than 8/15
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 15 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 15 × 14 = 210,
8/15 = 8 × 14/15 × 14 = 112/210 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 126/210 > 112/210 or 42/70 > 8/15
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 8/15 42/70 and 16/15 42/70 and 8/30 42/70 and 24/15 42/70 and 8/45 42/70 and 40/15 42/70 and 8/75 42/70 and 56/15