Compare 45/49 and 12/40
45/49 is greater than 12/40
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 40 is 1960
Next, find the equivalent fraction of both fractional numbers with denominator 1960 - For the 1st fraction, since 49 × 40 = 1960,
45/49 = 45 × 40/49 × 40 = 1800/1960 - Likewise, for the 2nd fraction, since 40 × 49 = 1960,
12/40 = 12 × 49/40 × 49 = 588/1960 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1800/1960 > 588/1960 or 45/49 > 12/40
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