Solutions by everydaycalculation.com

5090 - 330 is 4190.

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

LCM of 90 and 30 is**90**

Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,

5090 = 50 × 190 × 1 = 5090 - Likewise, for the 2nd fraction, since 30 × 3 = 90,

330 = 3 × 330 × 3 = 990 - Subtract the two like fractions:

5090 - 990 = 50 - 990 = 4190

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