Subtract 20/28 from 12/75
12/75 - 20/28 is -97/175.
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,
12/75 = 12 × 28/75 × 28 = 336/2100 - Likewise, for the 2nd fraction, since 28 × 75 = 2100,
20/28 = 20 × 75/28 × 75 = 1500/2100 - Subtract the two like fractions:
336/2100 - 1500/2100 = 336 - 1500/2100 = -1164/2100 - After reducing the fraction, the answer is -97/175
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