Compare 28/21 and 56/80
1st number: 1 7/21, 2nd number: 56/80
28/21 is greater than 56/80
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 80 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 21 × 80 = 1680,
28/21 = 28 × 80/21 × 80 = 2240/1680 - Likewise, for the 2nd fraction, since 80 × 21 = 1680,
56/80 = 56 × 21/80 × 21 = 1176/1680 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 2240/1680 > 1176/1680 or 28/21 > 56/80
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