Subtract 28/49 from 5/40
5/40 - 28/49 is -25/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 49 is 1960
Next, find the equivalent fraction of both fractional numbers with denominator 1960 - For the 1st fraction, since 40 × 49 = 1960,
5/40 = 5 × 49/40 × 49 = 245/1960 - Likewise, for the 2nd fraction, since 49 × 40 = 1960,
28/49 = 28 × 40/49 × 40 = 1120/1960 - Subtract the two like fractions:
245/1960 - 1120/1960 = 245 - 1120/1960 = -875/1960 - After reducing the fraction, the answer is -25/56
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