Compare 10/28 and 21/63
10/28 is greater than 21/63
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
10/28 = 10 × 9/28 × 9 = 90/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
21/63 = 21 × 4/63 × 4 = 84/252 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 90/252 > 84/252 or 10/28 > 21/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/28 and 21/63 10/28 and 42/63 10/56 and 21/63 30/28 and 21/63 10/84 and 21/63 50/28 and 21/63 70/28 and 21/63