Compare 40/45 and 12/16
40/45 is greater than 12/16
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 16 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 45 × 16 = 720,
40/45 = 40 × 16/45 × 16 = 640/720 - Likewise, for the 2nd fraction, since 16 × 45 = 720,
12/16 = 12 × 45/16 × 45 = 540/720 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 640/720 > 540/720 or 40/45 > 12/16
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