Compare 20/28 and 36/40
20/28 is smaller than 36/40
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 28 × 10 = 280,
20/28 = 20 × 10/28 × 10 = 200/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
36/40 = 36 × 7/40 × 7 = 252/280 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 200/280 < 252/280 or 20/28 < 36/40
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