Answers

Subtract 35/7 from 40/20

1^st number: 2 0/20, 2^nd number: 5 0/7

40/20 - 35/7 is -3/1.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 7 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 20 × 7 = 140,
   40/20 = 40 × 7/20 × 7 = 280/140
3. Likewise, for the 2nd fraction, since 7 × 20 = 140,
   35/7 = 35 × 20/7 × 20 = 700/140
4. Subtract the two like fractions:
   280/140 - 700/140 = 280 - 700/140 = -420/140
5. After reducing the fraction, the answer is -3/1

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