Compare 7/12 and 21/63
7/12 is greater than 21/63
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 12 × 21 = 252,
7/12 = 7 × 21/12 × 21 = 147/252 - 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
- 147/252 > 84/252 or 7/12 > 21/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/12 and 21/63 7/12 and 42/63 7/24 and 21/63 21/12 and 21/63 7/36 and 21/63 35/12 and 21/63 7/60 and 21/63 49/12 and 21/63 7/84 and 21/63