Compare 90/48 and 70/20
1st number: 1 42/48, 2nd number: 3 10/20
90/48 is smaller than 70/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 20 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 48 × 5 = 240,
90/48 = 90 × 5/48 × 5 = 450/240 - Likewise, for the 2nd fraction, since 20 × 12 = 240,
70/20 = 70 × 12/20 × 12 = 840/240 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 450/240 < 840/240 or 90/48 < 70/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/96 and 70/20 90/48 and 70/40 90/48 and 70/60