Compare 15/28 and 56/80
15/28 is smaller than 56/80
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 28 × 20 = 560,
15/28 = 15 × 20/28 × 20 = 300/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
56/80 = 56 × 7/80 × 7 = 392/560 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 300/560 < 392/560 or 15/28 < 56/80
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