Answers

Subtract 48/35 from 15/90

1^st number: 15/90, 2^nd number: 1 13/35

15/90 - 48/35 is -253/210.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 35 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 90 × 7 = 630,
   15/90 = 15 × 7/90 × 7 = 105/630
3. Likewise, for the 2nd fraction, since 35 × 18 = 630,
   48/35 = 48 × 18/35 × 18 = 864/630
4. Subtract the two like fractions:
   105/630 - 864/630 = 105 - 864/630 = -759/630
5. After reducing the fraction, the answer is -253/210

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