Subtract 20/28 from 9/75
9/75 - 20/28 is -104/175.
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,
9/75 = 9 × 28/75 × 28 = 252/2100 - Likewise, for the 2nd fraction, since 28 × 75 = 2100,
20/28 = 20 × 75/28 × 75 = 1500/2100 - Subtract the two like fractions:
252/2100 - 1500/2100 = 252 - 1500/2100 = -1248/2100 - After reducing the fraction, the answer is -104/175
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