Compare 35/8 and 21/84, Which fraction is greater?

Compare 35/8 and 21/84

1^st number: 4 3/8, 2^nd number: 21/84

35/8 is greater than 21/84

Find the least common denominator or LCM of the two denominators:
LCM of 8 and 84 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 8 × 21 = 168,
35/8 = 35 × 21/8 × 21 = 735/168
Likewise, for the 2nd fraction, since 84 × 2 = 168,
21/84 = 21 × 2/84 × 2 = 42/168
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
735/168 > 42/168 or 35/8 > 21/84

MathStep (Works offline)

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