Answers

Subtract 63/8 from 35/90

1^st number: 35/90, 2^nd number: 7 7/8

35/90 - 63/8 is -539/72.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 8 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 90 × 4 = 360,
   35/90 = 35 × 4/90 × 4 = 140/360
3. Likewise, for the 2nd fraction, since 8 × 45 = 360,
   63/8 = 63 × 45/8 × 45 = 2835/360
4. Subtract the two like fractions:
   140/360 - 2835/360 = 140 - 2835/360 = -2695/360
5. After reducing the fraction, the answer is -539/72

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