Answers

Subtract 36/20 from 27/70

1^st number: 27/70, 2^nd number: 1 16/20

27/70 - 36/20 is -99/70.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 20 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 70 × 2 = 140,
   27/70 = 27 × 2/70 × 2 = 54/140
3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
   36/20 = 36 × 7/20 × 7 = 252/140
4. Subtract the two like fractions:
   54/140 - 252/140 = 54 - 252/140 = -198/140
5. After reducing the fraction, the answer is -99/70

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