Compare 4/45 and 81/63
1st number: 4/45, 2nd number: 1 18/63
4/45 is smaller than 81/63
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
4/45 = 4 × 7/45 × 7 = 28/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
81/63 = 81 × 5/63 × 5 = 405/315 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 28/315 < 405/315 or 4/45 < 81/63
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