Compare 20/48 and 20/90
20/48 is greater than 20/90
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 90 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 48 × 15 = 720,
20/48 = 20 × 15/48 × 15 = 300/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
20/90 = 20 × 8/90 × 8 = 160/720 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 300/720 > 160/720 or 20/48 > 20/90
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