Compare 1/63 and 81/42
1st number: 1/63, 2nd number: 1 39/42
1/63 is smaller than 81/42
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 42 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 63 × 2 = 126,
1/63 = 1 × 2/63 × 2 = 2/126 - Likewise, for the 2nd fraction, since 42 × 3 = 126,
81/42 = 81 × 3/42 × 3 = 243/126 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 2/126 < 243/126 or 1/63 < 81/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/63 and 81/42 1/63 and 81/84 3/63 and 81/42 5/63 and 81/42 7/63 and 81/42