Solutions by everydaycalculation.com

215 - 2460 is -415.

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

LCM of 15 and 60 is**60**

Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,

215 = 2 × 415 × 4 = 860 - Likewise, for the 2nd fraction, since 60 × 1 = 60,

2460 = 24 × 160 × 1 = 2460 - Subtract the two like fractions:

860 - 2460 = 8 - 2460 = -1660 - After reducing the fraction, the answer is -415

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