Solutions by everydaycalculation.com

1^{st} number: 2 2/3, 2^{nd} number: 4/7

83 - 47 is 4421.

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

LCM of 3 and 7 is**21**

Next, find the equivalent fraction of both fractional numbers with denominator 21 - For the 1st fraction, since 3 × 7 = 21,

83 = 8 × 73 × 7 = 5621 - Likewise, for the 2nd fraction, since 7 × 3 = 21,

47 = 4 × 37 × 3 = 1221 - Subtract the two like fractions:

5621 - 1221 = 56 - 1221 = 4421 - In mixed form: 2221

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