Solutions by everydaycalculation.com

23 - 410 is 415.

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

LCM of 3 and 10 is**30**

Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 3 × 10 = 30,

23 = 2 × 103 × 10 = 2030 - Likewise, for the 2nd fraction, since 10 × 3 = 30,

410 = 4 × 310 × 3 = 1230 - Subtract the two like fractions:

2030 - 1230 = 20 - 1230 = 830 - After reducing the fraction, the answer is 415

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