Compare 80/9 and 30/7
1st number: 8 8/9, 2nd number: 4 2/7
80/9 is greater than 30/7
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,
80/9 = 80 × 7/9 × 7 = 560/63 - Likewise, for the 2nd fraction, since 7 × 9 = 63,
30/7 = 30 × 9/7 × 9 = 270/63 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 560/63 > 270/63 or 80/9 > 30/7
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