Compare 30/9 and 80/7
1st number: 3 3/9, 2nd number: 11 3/7
30/9 is smaller than 80/7
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 7 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 9 × 7 = 63,
30/9 = 30 × 7/9 × 7 = 210/63 - Likewise, for the 2nd fraction, since 7 × 9 = 63,
80/7 = 80 × 9/7 × 9 = 720/63 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 210/63 < 720/63 or 30/9 < 80/7
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