Compare 21/9 and 64/70
1st number: 2 3/9, 2nd number: 64/70
21/9 is greater than 64/70
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 9 × 70 = 630,
21/9 = 21 × 70/9 × 70 = 1470/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
64/70 = 64 × 9/70 × 9 = 576/630 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1470/630 > 576/630 or 21/9 > 64/70
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