Compare 28/45 and 48/80
28/45 is greater than 48/80
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,
28/45 = 28 × 16/45 × 16 = 448/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
48/80 = 48 × 9/80 × 9 = 432/720 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 448/720 > 432/720 or 28/45 > 48/80
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