Compare 20/28 and 7/15
20/28 is greater than 7/15
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 15 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
20/28 = 20 × 15/28 × 15 = 300/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
7/15 = 7 × 28/15 × 28 = 196/420 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 300/420 > 196/420 or 20/28 > 7/15
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