Answers

Subtract 75/70 from 2/40

1^st number: 2/40, 2^nd number: 1 5/70

2/40 - 75/70 is -143/140.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 70 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 40 × 7 = 280,
   2/40 = 2 × 7/40 × 7 = 14/280
3. Likewise, for the 2nd fraction, since 70 × 4 = 280,
   75/70 = 75 × 4/70 × 4 = 300/280
4. Subtract the two like fractions:
   14/280 - 300/280 = 14 - 300/280 = -286/280
5. After reducing the fraction, the answer is -143/140

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