Answers

Subtract 40/36 from 15/70

1^st number: 15/70, 2^nd number: 1 4/36

15/70 - 40/36 is -113/126.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 36 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 70 × 18 = 1260,
   15/70 = 15 × 18/70 × 18 = 270/1260
3. Likewise, for the 2nd fraction, since 36 × 35 = 1260,
   40/36 = 40 × 35/36 × 35 = 1400/1260
4. Subtract the two like fractions:
   270/1260 - 1400/1260 = 270 - 1400/1260 = -1130/1260
5. After reducing the fraction, the answer is -113/126

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