Answers

Subtract 27/10 from 7/30

1^st number: 7/30, 2^nd number: 2 7/10

7/30 - 27/10 is -37/15.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 10 is 30
   
   Next, find the equivalent fraction of both fractional numbers with denominator 30
2. For the 1st fraction, since 30 × 1 = 30,
   7/30 = 7 × 1/30 × 1 = 7/30
3. Likewise, for the 2nd fraction, since 10 × 3 = 30,
   27/10 = 27 × 3/10 × 3 = 81/30
4. Subtract the two like fractions:
   7/30 - 81/30 = 7 - 81/30 = -74/30
5. After reducing the fraction, the answer is -37/15

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