Compare 27/28 and 15/80
27/28 is greater than 15/80
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,
27/28 = 27 × 20/28 × 20 = 540/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
15/80 = 15 × 7/80 × 7 = 105/560 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 540/560 > 105/560 or 27/28 > 15/80
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