Compare 10/50 and 21/90
10/50 is smaller than 21/90
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 90 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
10/50 = 10 × 9/50 × 9 = 90/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
21/90 = 21 × 5/90 × 5 = 105/450 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 90/450 < 105/450 or 10/50 < 21/90
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