Solutions by everydaycalculation.com

1^{st} number: 2 0/4, 2^{nd} number: 4/7

84 - 47 is 107.

- 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,

84 = 8 × 74 × 7 = 5628 - Likewise, for the 2nd fraction, since 7 × 4 = 28,

47 = 4 × 47 × 4 = 1628 - Subtract the two like fractions:

5628 - 1628 = 56 - 1628 = 4028 - After reducing the fraction, the answer is 107
- In mixed form: 137

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