Subtract 18/21 from 2/50
2/50 - 18/21 is -143/175.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 21 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 50 × 21 = 1050,
2/50 = 2 × 21/50 × 21 = 42/1050 - Likewise, for the 2nd fraction, since 21 × 50 = 1050,
18/21 = 18 × 50/21 × 50 = 900/1050 - Subtract the two like fractions:
42/1050 - 900/1050 = 42 - 900/1050 = -858/1050 - After reducing the fraction, the answer is -143/175
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