Answers

Subtract 16/90 from 35/63

35/63 - 16/90 is 17/45.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 90 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 63 × 10 = 630,
   35/63 = 35 × 10/63 × 10 = 350/630
3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
   16/90 = 16 × 7/90 × 7 = 112/630
4. Subtract the two like fractions:
   350/630 - 112/630 = 350 - 112/630 = 238/630
5. After reducing the fraction, the answer is 17/45

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