Solutions by everydaycalculation.com

1^{st} number: 1 2/8, 2^{nd} number: 9/10

108 - 910 is 720.

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

LCM of 8 and 10 is**40**

Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,

108 = 10 × 58 × 5 = 5040 - Likewise, for the 2nd fraction, since 10 × 4 = 40,

910 = 9 × 410 × 4 = 3640 - Subtract the two like fractions:

5040 - 3640 = 50 - 3640 = 1440 - After reducing the fraction, the answer is 720

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