Compare 54/63 and 21/20
1st number: 54/63, 2nd number: 1 1/20
54/63 is smaller than 21/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 20 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 63 × 20 = 1260,
54/63 = 54 × 20/63 × 20 = 1080/1260 - Likewise, for the 2nd fraction, since 20 × 63 = 1260,
21/20 = 21 × 63/20 × 63 = 1323/1260 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1080/1260 < 1323/1260 or 54/63 < 21/20
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