Solutions by everydaycalculation.com

749 - 2154 is -31126.

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

LCM of 49 and 54 is**2646**

Next, find the equivalent fraction of both fractional numbers with denominator 2646 - For the 1st fraction, since 49 × 54 = 2646,

749 = 7 × 5449 × 54 = 3782646 - Likewise, for the 2nd fraction, since 54 × 49 = 2646,

2154 = 21 × 4954 × 49 = 10292646 - Subtract the two like fractions:

3782646 - 10292646 = 378 - 10292646 = -6512646 - After reducing the fraction, the answer is -31126

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