Solutions by everydaycalculation.com

1^{st} number: 6/60, 2^{nd} number: 2 0/7

660 - 147 is -1910.

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

LCM of 60 and 7 is**420**

Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,

660 = 6 × 760 × 7 = 42420 - Likewise, for the 2nd fraction, since 7 × 60 = 420,

147 = 14 × 607 × 60 = 840420 - Subtract the two like fractions:

42420 - 840420 = 42 - 840420 = -798420 - After reducing the fraction, the answer is -1910

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