Solutions by everydaycalculation.com

1^{st} number: 2 1/3, 2^{nd} number: 1 3/5

73 - 85 is 1115.

- 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,

73 = 7 × 53 × 5 = 3515 - Likewise, for the 2nd fraction, since 5 × 3 = 15,

85 = 8 × 35 × 3 = 2415 - Subtract the two like fractions:

3515 - 2415 = 35 - 2415 = 1115

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