Compare 40/49 and 90/40
1st number: 40/49, 2nd number: 2 10/40
40/49 is smaller than 90/40
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 40 is 1960
Next, find the equivalent fraction of both fractional numbers with denominator 1960 - For the 1st fraction, since 49 × 40 = 1960,
40/49 = 40 × 40/49 × 40 = 1600/1960 - Likewise, for the 2nd fraction, since 40 × 49 = 1960,
90/40 = 90 × 49/40 × 49 = 4410/1960 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1600/1960 < 4410/1960 or 40/49 < 90/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/49 and 90/40 40/98 and 90/40 40/49 and 90/80