Compare 42/35 and 81/72
1st number: 1 7/35, 2nd number: 1 9/72
42/35 is greater than 81/72
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 72 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 35 × 72 = 2520,
42/35 = 42 × 72/35 × 72 = 3024/2520 - Likewise, for the 2nd fraction, since 72 × 35 = 2520,
81/72 = 81 × 35/72 × 35 = 2835/2520 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 3024/2520 > 2835/2520 or 42/35 > 81/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/35 and 81/72 42/70 and 81/72