Compare 72/84 and 24/40
72/84 is greater than 24/40
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 40 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 84 × 10 = 840,
72/84 = 72 × 10/84 × 10 = 720/840 - Likewise, for the 2nd fraction, since 40 × 21 = 840,
24/40 = 24 × 21/40 × 21 = 504/840 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 720/840 > 504/840 or 72/84 > 24/40
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