Compare 84/90 and 42/5
1st number: 84/90, 2nd number: 8 2/5
84/90 is smaller than 42/5
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 5 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
84/90 = 84 × 1/90 × 1 = 84/90 - Likewise, for the 2nd fraction, since 5 × 18 = 90,
42/5 = 42 × 18/5 × 18 = 756/90 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 84/90 < 756/90 or 84/90 < 42/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/90 and 84/5 84/90 and 42/10 84/90 and 42/15 84/90 and 42/25 84/90 and 42/35