Solutions by everydaycalculation.com

1^{st} number: 10 2/4, 2^{nd} number: 5/42

424 - 542 is 21821.

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

LCM of 4 and 42 is**84**

Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 4 × 21 = 84,

424 = 42 × 214 × 21 = 88284 - Likewise, for the 2nd fraction, since 42 × 2 = 84,

542 = 5 × 242 × 2 = 1084 - Subtract the two like fractions:

88284 - 1084 = 882 - 1084 = 87284 - After reducing the fraction, the answer is 21821
- In mixed form: 10821

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