Compare 15/20 and 5/8
15/20 is greater than 5/8
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 20 × 2 = 40,
15/20 = 15 × 2/20 × 2 = 30/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
5/8 = 5 × 5/8 × 5 = 25/40 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 30/40 > 25/40 or 15/20 > 5/8
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