Compare 20/42 and 45/24
1st number: 20/42, 2nd number: 1 21/24
20/42 is smaller than 45/24
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 42 × 4 = 168,
20/42 = 20 × 4/42 × 4 = 80/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
45/24 = 45 × 7/24 × 7 = 315/168 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 80/168 < 315/168 or 20/42 < 45/24
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