Compare 18/56 and 40/45
18/56 is smaller than 40/45
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 45 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 56 × 45 = 2520,
18/56 = 18 × 45/56 × 45 = 810/2520 - Likewise, for the 2nd fraction, since 45 × 56 = 2520,
40/45 = 40 × 56/45 × 56 = 2240/2520 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 810/2520 < 2240/2520 or 18/56 < 40/45
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