Compare 40/28 and 4/45, Which fraction is greater?

Compare 40/28 and 4/45

1^st number: 1 12/28, 2^nd number: 4/45

40/28 is greater than 4/45

Find the least common denominator or LCM of the two denominators:
LCM of 28 and 45 is 1260

Next, find the equivalent fraction of both fractional numbers with denominator 1260
For the 1st fraction, since 28 × 45 = 1260,
40/28 = 40 × 45/28 × 45 = 1800/1260
Likewise, for the 2nd fraction, since 45 × 28 = 1260,
4/45 = 4 × 28/45 × 28 = 112/1260
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
1800/1260 > 112/1260 or 40/28 > 4/45

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad