Compare 15/80 and 40/28
1st number: 15/80, 2nd number: 1 12/28
15/80 is smaller than 40/28
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 28 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 80 × 7 = 560,
15/80 = 15 × 7/80 × 7 = 105/560 - Likewise, for the 2nd fraction, since 28 × 20 = 560,
40/28 = 40 × 20/28 × 20 = 800/560 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 105/560 < 800/560 or 15/80 < 40/28
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