Compare 75/80 and 72/28
1st number: 75/80, 2nd number: 2 16/28
75/80 is smaller than 72/28
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,
75/80 = 75 × 7/80 × 7 = 525/560 - Likewise, for the 2nd fraction, since 28 × 20 = 560,
72/28 = 72 × 20/28 × 20 = 1440/560 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 525/560 < 1440/560 or 75/80 < 72/28
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