Compare 42/16 and 18/20
1st number: 2 10/16, 2nd number: 18/20
42/16 is greater than 18/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 20 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
42/16 = 42 × 5/16 × 5 = 210/80 - Likewise, for the 2nd fraction, since 20 × 4 = 80,
18/20 = 18 × 4/20 × 4 = 72/80 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 210/80 > 72/80 or 42/16 > 18/20
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