Compare 72/24 and 21/20
1st number: 3 0/24, 2nd number: 1 1/20
72/24 is greater than 21/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 20 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 24 × 5 = 120,
72/24 = 72 × 5/24 × 5 = 360/120 - Likewise, for the 2nd fraction, since 20 × 6 = 120,
21/20 = 21 × 6/20 × 6 = 126/120 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 360/120 > 126/120 or 72/24 > 21/20
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