Compare 18/15 and 49/42
1st number: 1 3/15, 2nd number: 1 7/42
18/15 is greater than 49/42
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
18/15 = 18 × 14/15 × 14 = 252/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
49/42 = 49 × 5/42 × 5 = 245/210 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 252/210 > 245/210 or 18/15 > 49/42
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