Compare 21/3 and 5/40
1st number: 7 0/3, 2nd number: 5/40
21/3 is greater than 5/40
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 3 × 40 = 120,
21/3 = 21 × 40/3 × 40 = 840/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
5/40 = 5 × 3/40 × 3 = 15/120 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 840/120 > 15/120 or 21/3 > 5/40
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