Compare 21/70 and 27/50
21/70 is smaller than 27/50
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 50 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 70 × 5 = 350,
21/70 = 21 × 5/70 × 5 = 105/350 - Likewise, for the 2nd fraction, since 50 × 7 = 350,
27/50 = 27 × 7/50 × 7 = 189/350 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 105/350 < 189/350 or 21/70 < 27/50
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