Compare 54/45 and 42/80
1st number: 1 9/45, 2nd number: 42/80
54/45 is greater than 42/80
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 45 × 16 = 720,
54/45 = 54 × 16/45 × 16 = 864/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
42/80 = 42 × 9/80 × 9 = 378/720 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 864/720 > 378/720 or 54/45 > 42/80
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