Solutions by everydaycalculation.com

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

72 - 65 is 2310.

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

LCM of 2 and 5 is**10**

Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 2 × 5 = 10,

72 = 7 × 52 × 5 = 3510 - Likewise, for the 2nd fraction, since 5 × 2 = 10,

65 = 6 × 25 × 2 = 1210 - Subtract the two like fractions:

3510 - 1210 = 35 - 1210 = 2310 - In mixed form: 2310

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