Solutions by everydaycalculation.com

2440 is greater than 870

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

LCM of 40 and 70 is**280**

Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,

2440 = 24 × 740 × 7 = 168280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,

870 = 8 × 470 × 4 = 32280 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 168280 > 32280 or 2440 > 870

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