Subtract 80/84 from 45/50
45/50 - 80/84 is -11/210.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 84 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 50 × 42 = 2100,
45/50 = 45 × 42/50 × 42 = 1890/2100 - Likewise, for the 2nd fraction, since 84 × 25 = 2100,
80/84 = 80 × 25/84 × 25 = 2000/2100 - Subtract the two like fractions:
1890/2100 - 2000/2100 = 1890 - 2000/2100 = -110/2100 - After reducing the fraction, the answer is -11/210
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Related: 90/50-80/84