Compare 3/25 and 42/72
3/25 is smaller than 42/72
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 72 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 25 × 72 = 1800,
3/25 = 3 × 72/25 × 72 = 216/1800 - Likewise, for the 2nd fraction, since 72 × 25 = 1800,
42/72 = 42 × 25/72 × 25 = 1050/1800 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 216/1800 < 1050/1800 or 3/25 < 42/72
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