Compare 15/30 and 3/8
15/30 is greater than 3/8
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
15/30 = 15 × 4/30 × 4 = 60/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
3/8 = 3 × 15/8 × 15 = 45/120 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 60/120 > 45/120 or 15/30 > 3/8
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