Compare 42/20 and 28/16
1st number: 2 2/20, 2nd number: 1 12/16
42/20 is greater than 28/16
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 20 × 4 = 80,
42/20 = 42 × 4/20 × 4 = 168/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
28/16 = 28 × 5/16 × 5 = 140/80 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 168/80 > 140/80 or 42/20 > 28/16
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