Answers

Subtract 60/28 from 3/90

1^st number: 3/90, 2^nd number: 2 4/28

3/90 - 60/28 is -443/210.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 28 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 90 × 14 = 1260,
   3/90 = 3 × 14/90 × 14 = 42/1260
3. Likewise, for the 2nd fraction, since 28 × 45 = 1260,
   60/28 = 60 × 45/28 × 45 = 2700/1260
4. Subtract the two like fractions:
   42/1260 - 2700/1260 = 42 - 2700/1260 = -2658/1260
5. After reducing the fraction, the answer is -443/210

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