Subtract 20/28 from 5/75
5/75 - 20/28 is -68/105.
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,
5/75 = 5 × 28/75 × 28 = 140/2100 - Likewise, for the 2nd fraction, since 28 × 75 = 2100,
20/28 = 20 × 75/28 × 75 = 1500/2100 - Subtract the two like fractions:
140/2100 - 1500/2100 = 140 - 1500/2100 = -1360/2100 - After reducing the fraction, the answer is -68/105
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