Solutions by everydaycalculation.com

2545 - 612 is 118.

- 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,

2545 = 25 × 445 × 4 = 100180 - Likewise, for the 2nd fraction, since 12 × 15 = 180,

612 = 6 × 1512 × 15 = 90180 - Subtract the two like fractions:

100180 - 90180 = 100 - 90180 = 10180 - After reducing the fraction, the answer is 118

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