Solutions by everydaycalculation.com

13 - 35 is -415.

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

LCM of 3 and 5 is**15**

Next, find the equivalent fraction of both fractional numbers with denominator 15 - For the 1st fraction, since 3 × 5 = 15,

13 = 1 × 53 × 5 = 515 - Likewise, for the 2nd fraction, since 5 × 3 = 15,

35 = 3 × 35 × 3 = 915 - Subtract the two like fractions:

515 - 915 = 5 - 915 = -415

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