Subtract 60/84 from 20/75
20/75 - 60/84 is -47/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 84 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 84 × 25 = 2100,
60/84 = 60 × 25/84 × 25 = 1500/2100 - Subtract the two like fractions:
560/2100 - 1500/2100 = 560 - 1500/2100 = -940/2100 - After reducing the fraction, the answer is -47/105
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