Compare 6/7 and 45/10, Which fraction is greater?

Compare 6/7 and 45/10

1^st number: 6/7, 2^nd number: 4 5/10

6/7 is smaller than 45/10

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 10 is 70

Next, find the equivalent fraction of both fractional numbers with denominator 70
For the 1st fraction, since 7 × 10 = 70,
6/7 = 6 × 10/7 × 10 = 60/70
Likewise, for the 2nd fraction, since 10 × 7 = 70,
45/10 = 45 × 7/10 × 7 = 315/70
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
60/70 < 315/70 or 6/7 < 45/10

MathStep (Works offline)

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