Compare 18/42 and 63/15
1st number: 18/42, 2nd number: 4 3/15
18/42 is smaller than 63/15
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 15 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
18/42 = 18 × 5/42 × 5 = 90/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
63/15 = 63 × 14/15 × 14 = 882/210 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 90/210 < 882/210 or 18/42 < 63/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/42 and 63/15 18/84 and 63/15 18/42 and 63/30 54/42 and 63/15 18/42 and 63/45 90/42 and 63/15 18/42 and 63/75