Compare 3/90 and 80/20
1st number: 3/90, 2nd number: 4 0/20
3/90 is smaller than 80/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
3/90 = 3 × 2/90 × 2 = 6/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
80/20 = 80 × 9/20 × 9 = 720/180 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 6/180 < 720/180 or 3/90 < 80/20
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