Solutions by everydaycalculation.com

1^{st} number: 7/84, 2^{nd} number: 1 20/50

784 - 7050 is -7960.

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

LCM of 84 and 50 is**2100**

Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 84 × 25 = 2100,

784 = 7 × 2584 × 25 = 1752100 - Likewise, for the 2nd fraction, since 50 × 42 = 2100,

7050 = 70 × 4250 × 42 = 29402100 - Subtract the two like fractions:

1752100 - 29402100 = 175 - 29402100 = -27652100 - After reducing the fraction, the answer is -7960

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