Solutions by everydaycalculation.com

1^{st} number: 2 2/4, 2^{nd} number: 1 1/7

104 - 87 is 1914.

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

LCM of 4 and 7 is**28**

Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,

104 = 10 × 74 × 7 = 7028 - Likewise, for the 2nd fraction, since 7 × 4 = 28,

87 = 8 × 47 × 4 = 3228 - Subtract the two like fractions:

7028 - 3228 = 70 - 3228 = 3828 - After reducing the fraction, the answer is 1914
- In mixed form: 1514

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