Compare 45/30 and 90/48
1st number: 1 15/30, 2nd number: 1 42/48
45/30 is smaller than 90/48
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
45/30 = 45 × 8/30 × 8 = 360/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
90/48 = 90 × 5/48 × 5 = 450/240 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 360/240 < 450/240 or 45/30 < 90/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/30 and 90/48 45/60 and 90/48 45/30 and 90/96 45/90 and 90/48