Compare 42/56 and 4/20
42/56 is greater than 4/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 20 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
42/56 = 42 × 5/56 × 5 = 210/280 - Likewise, for the 2nd fraction, since 20 × 14 = 280,
4/20 = 4 × 14/20 × 14 = 56/280 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 210/280 > 56/280 or 42/56 > 4/20
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