Solutions by everydaycalculation.com

1080 is smaller than 842

- Find the least common denominator or LCM of the two denominators:

LCM of 80 and 42 is**1680**

Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 80 × 21 = 1680,

1080 = 10 × 2180 × 21 = 2101680 - Likewise, for the 2nd fraction, since 42 × 40 = 1680,

842 = 8 × 4042 × 40 = 3201680 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 2101680 < 3201680 or 1080 < 842

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