Subtract 18/63 from 42/50
42/50 - 18/63 is 97/175.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 63 is 3150
Next, find the equivalent fraction of both fractional numbers with denominator 3150 - For the 1st fraction, since 50 × 63 = 3150,
42/50 = 42 × 63/50 × 63 = 2646/3150 - Likewise, for the 2nd fraction, since 63 × 50 = 3150,
18/63 = 18 × 50/63 × 50 = 900/3150 - Subtract the two like fractions:
2646/3150 - 900/3150 = 2646 - 900/3150 = 1746/3150 - After reducing the fraction, the answer is 97/175
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