Compare 84/12 and 18/70, Which fraction is greater?

Compare 84/12 and 18/70

1^st number: 7 0/12, 2^nd number: 18/70

84/12 is greater than 18/70

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 70 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 12 × 35 = 420,
84/12 = 84 × 35/12 × 35 = 2940/420
Likewise, for the 2nd fraction, since 70 × 6 = 420,
18/70 = 18 × 6/70 × 6 = 108/420
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
2940/420 > 108/420 or 84/12 > 18/70

MathStep (Works offline)

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