Solutions by everydaycalculation.com

1040 is smaller than 1642

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

LCM of 40 and 42 is**840**

Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 40 × 21 = 840,

1040 = 10 × 2140 × 21 = 210840 - Likewise, for the 2nd fraction, since 42 × 20 = 840,

1642 = 16 × 2042 × 20 = 320840 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 210840 < 320840 or 1040 < 1642

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