Compare 42/80 and 24/72
42/80 is greater than 24/72
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 72 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
42/80 = 42 × 9/80 × 9 = 378/720 - Likewise, for the 2nd fraction, since 72 × 10 = 720,
24/72 = 24 × 10/72 × 10 = 240/720 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 378/720 > 240/720 or 42/80 > 24/72
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