Compare 42/72 and 30/36
42/72 is smaller than 30/36
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 36 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
42/72 = 42 × 1/72 × 1 = 42/72 - Likewise, for the 2nd fraction, since 36 × 2 = 72,
30/36 = 30 × 2/36 × 2 = 60/72 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 42/72 < 60/72 or 42/72 < 30/36
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