Answers

Subtract 35/90 from 42/63

42/63 - 35/90 is 5/18.

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,
   42/63 = 42 × 10/63 × 10 = 420/630
3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
   35/90 = 35 × 7/90 × 7 = 245/630
4. Subtract the two like fractions:
   420/630 - 245/630 = 420 - 245/630 = 175/630
5. After reducing the fraction, the answer is 5/18

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