Compare 45/7 and 40/80
1st number: 6 3/7, 2nd number: 40/80
45/7 is greater than 40/80
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 7 × 80 = 560,
45/7 = 45 × 80/7 × 80 = 3600/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
40/80 = 40 × 7/80 × 7 = 280/560 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 3600/560 > 280/560 or 45/7 > 40/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/7 and 40/80 45/14 and 40/80 45/21 and 40/80 45/35 and 40/80 45/49 and 40/80