Subtract 14/28 from 20/75
20/75 - 14/28 is -7/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 28 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 75 × 28 = 2100,
20/75 = 20 × 28/75 × 28 = 560/2100 - Likewise, for the 2nd fraction, since 28 × 75 = 2100,
14/28 = 14 × 75/28 × 75 = 1050/2100 - Subtract the two like fractions:
560/2100 - 1050/2100 = 560 - 1050/2100 = -490/2100 - After reducing the fraction, the answer is -7/30
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