Solutions by everydaycalculation.com

1^{st} number: 5/45, 2^{nd} number: 3 6/12

545 - 4212 is -6118.

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

LCM of 45 and 12 is**180**

Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,

545 = 5 × 445 × 4 = 20180 - Likewise, for the 2nd fraction, since 12 × 15 = 180,

4212 = 42 × 1512 × 15 = 630180 - Subtract the two like fractions:

20180 - 630180 = 20 - 630180 = -610180 - After reducing the fraction, the answer is -6118

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