Answers

Subtract 42/63 from 7/50

7/50 - 42/63 is -79/150.

Steps for subtracting fractions

1. 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
2. For the 1st fraction, since 50 × 63 = 3150,
   7/50 = 7 × 63/50 × 63 = 441/3150
3. Likewise, for the 2nd fraction, since 63 × 50 = 3150,
   42/63 = 42 × 50/63 × 50 = 2100/3150
4. Subtract the two like fractions:
   441/3150 - 2100/3150 = 441 - 2100/3150 = -1659/3150
5. After reducing the fraction, the answer is -79/150

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