Compare 50/28 and 72/21
1st number: 1 22/28, 2nd number: 3 9/21
50/28 is smaller than 72/21
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 21 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
50/28 = 50 × 3/28 × 3 = 150/84 - Likewise, for the 2nd fraction, since 21 × 4 = 84,
72/21 = 72 × 4/21 × 4 = 288/84 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 150/84 < 288/84 or 50/28 < 72/21
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