Compare 84/7 and 21/9
1st number: 12 0/7, 2nd number: 2 3/9
84/7 is greater than 21/9
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 7 × 9 = 63,
84/7 = 84 × 9/7 × 9 = 756/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
21/9 = 21 × 7/9 × 7 = 147/63 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 756/63 > 147/63 or 84/7 > 21/9
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