Subtract 45/50 from 12/84
12/84 - 45/50 is -53/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 50 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 84 × 25 = 2100,
12/84 = 12 × 25/84 × 25 = 300/2100 - Likewise, for the 2nd fraction, since 50 × 42 = 2100,
45/50 = 45 × 42/50 × 42 = 1890/2100 - Subtract the two like fractions:
300/2100 - 1890/2100 = 300 - 1890/2100 = -1590/2100 - After reducing the fraction, the answer is -53/70
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