Answers

Subtract 90/30 from 4/5

1^st number: 4/5, 2^nd number: 3 0/30

4/5 - 90/30 is -11/5.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 5 and 30 is 30
   
   Next, find the equivalent fraction of both fractional numbers with denominator 30
2. For the 1st fraction, since 5 × 6 = 30,
   4/5 = 4 × 6/5 × 6 = 24/30
3. Likewise, for the 2nd fraction, since 30 × 1 = 30,
   90/30 = 90 × 1/30 × 1 = 90/30
4. Subtract the two like fractions:
   24/30 - 90/30 = 24 - 90/30 = -66/30
5. After reducing the fraction, the answer is -11/5

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