Compare 30/32 and 18/72
30/32 is greater than 18/72
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 72 is 288
Next, find the equivalent fraction of both fractional numbers with denominator 288 - For the 1st fraction, since 32 × 9 = 288,
30/32 = 30 × 9/32 × 9 = 270/288 - Likewise, for the 2nd fraction, since 72 × 4 = 288,
18/72 = 18 × 4/72 × 4 = 72/288 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 270/288 > 72/288 or 30/32 > 18/72
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