Compare 12/48 and 63/70, Which fraction is greater?

Compare 12/48 and 63/70

12/48 is smaller than 63/70

Find the least common denominator or LCM of the two denominators:
LCM of 48 and 70 is 1680

Next, find the equivalent fraction of both fractional numbers with denominator 1680
For the 1st fraction, since 48 × 35 = 1680,
12/48 = 12 × 35/48 × 35 = 420/1680
Likewise, for the 2nd fraction, since 70 × 24 = 1680,
63/70 = 63 × 24/70 × 24 = 1512/1680
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
420/1680 < 1512/1680 or 12/48 < 63/70

MathStep (Works offline)

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