Solutions by everydaycalculation.com

1^{st} number: 2 1/2, 2^{nd} number: 2 2/3

52 - 83 is -16.

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

LCM of 2 and 3 is**6** - For the 1st fraction, since 2 × 3 = 6,

52 = 5 × 32 × 3 = 156 - Likewise, for the 2nd fraction, since 3 × 2 = 6,

83 = 8 × 23 × 2 = 166 - Subtract the two fractions:

156 - 166 = 15 - 166 = -16

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