Compare 40/16 and 21/9
1st number: 2 8/16, 2nd number: 2 3/9
40/16 is greater than 21/9
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 9 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 16 × 9 = 144,
40/16 = 40 × 9/16 × 9 = 360/144 - Likewise, for the 2nd fraction, since 9 × 16 = 144,
21/9 = 21 × 16/9 × 16 = 336/144 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 360/144 > 336/144 or 40/16 > 21/9
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