Compare 21/80 and 24/60
21/80 is smaller than 24/60
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 60 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
21/80 = 21 × 3/80 × 3 = 63/240 - Likewise, for the 2nd fraction, since 60 × 4 = 240,
24/60 = 24 × 4/60 × 4 = 96/240 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 63/240 < 96/240 or 21/80 < 24/60
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