Compare 18/28 and 45/56
18/28 is smaller than 45/56
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 28 × 2 = 56,
18/28 = 18 × 2/28 × 2 = 36/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
45/56 = 45 × 1/56 × 1 = 45/56 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 36/56 < 45/56 or 18/28 < 45/56
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