Compare 56/63 and 20/80
56/63 is greater than 20/80
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 80 is 5040
Next, find the equivalent fraction of both fractional numbers with denominator 5040 - For the 1st fraction, since 63 × 80 = 5040,
56/63 = 56 × 80/63 × 80 = 4480/5040 - Likewise, for the 2nd fraction, since 80 × 63 = 5040,
20/80 = 20 × 63/80 × 63 = 1260/5040 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 4480/5040 > 1260/5040 or 56/63 > 20/80
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