Solutions by everydaycalculation.com

1^{st} number: 1 2/3, 2^{nd} number: 1 1/4

53 - 54 is 512.

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

LCM of 3 and 4 is**12**

Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 3 × 4 = 12,

53 = 5 × 43 × 4 = 2012 - Likewise, for the 2nd fraction, since 4 × 3 = 12,

54 = 5 × 34 × 3 = 1512 - Subtract the two like fractions:

2012 - 1512 = 20 - 1512 = 512

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