Compare 21/56 and 18/50
21/56 is greater than 18/50
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 50 is 1400
Next, find the equivalent fraction of both fractional numbers with denominator 1400 - For the 1st fraction, since 56 × 25 = 1400,
21/56 = 21 × 25/56 × 25 = 525/1400 - Likewise, for the 2nd fraction, since 50 × 28 = 1400,
18/50 = 18 × 28/50 × 28 = 504/1400 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 525/1400 > 504/1400 or 21/56 > 18/50
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