Compare 81/42 and 5/63
1st number: 1 39/42, 2nd number: 5/63
81/42 is greater than 5/63
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 42 × 3 = 126,
81/42 = 81 × 3/42 × 3 = 243/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
5/63 = 5 × 2/63 × 2 = 10/126 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 243/126 > 10/126 or 81/42 > 5/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/42 and 10/63 81/84 and 5/63 81/42 and 15/63 81/42 and 25/63 81/42 and 35/63