Answers

Subtract 20/63 from 8/35

8/35 - 20/63 is -4/45.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 63 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 35 × 9 = 315,
   8/35 = 8 × 9/35 × 9 = 72/315
3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
   20/63 = 20 × 5/63 × 5 = 100/315
4. Subtract the two like fractions:
   72/315 - 100/315 = 72 - 100/315 = -28/315
5. After reducing the fraction, the answer is -4/45

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