Compare 4/28 and 18/80
4/28 is smaller than 18/80
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,
4/28 = 4 × 20/28 × 20 = 80/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
18/80 = 18 × 7/80 × 7 = 126/560 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 80/560 < 126/560 or 4/28 < 18/80
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