Compare 42/4 and 20/18
1st number: 10 2/4, 2nd number: 1 2/18
42/4 is greater than 20/18
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 18 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
42/4 = 42 × 9/4 × 9 = 378/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
20/18 = 20 × 2/18 × 2 = 40/36 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 378/36 > 40/36 or 42/4 > 20/18
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