Compare 21/3 and 5/80
1st number: 7 0/3, 2nd number: 5/80
21/3 is greater than 5/80
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 3 × 80 = 240,
21/3 = 21 × 80/3 × 80 = 1680/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
5/80 = 5 × 3/80 × 3 = 15/240 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1680/240 > 15/240 or 21/3 > 5/80
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