Compare 30/32 and 18/20
30/32 is greater than 18/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 20 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 32 × 5 = 160,
30/32 = 30 × 5/32 × 5 = 150/160 - Likewise, for the 2nd fraction, since 20 × 8 = 160,
18/20 = 18 × 8/20 × 8 = 144/160 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 150/160 > 144/160 or 30/32 > 18/20
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