Compare 30/18 and 80/8
1st number: 1 12/18, 2nd number: 10 0/8
30/18 is smaller than 80/8
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
30/18 = 30 × 4/18 × 4 = 120/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
80/8 = 80 × 9/8 × 9 = 720/72 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 120/72 < 720/72 or 30/18 < 80/8
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