Solutions by everydaycalculation.com

1420 - 1850 is 1750.

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

LCM of 20 and 50 is**100**

Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 20 × 5 = 100,

1420 = 14 × 520 × 5 = 70100 - Likewise, for the 2nd fraction, since 50 × 2 = 100,

1850 = 18 × 250 × 2 = 36100 - Subtract the two like fractions:

70100 - 36100 = 70 - 36100 = 34100 - After reducing the fraction, the answer is 1750

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