Answers

Subtract 35/28 from 40/80

1^st number: 40/80, 2^nd number: 1 7/28

40/80 - 35/28 is -3/4.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 28 is 560
   
   Next, find the equivalent fraction of both fractional numbers with denominator 560
2. For the 1st fraction, since 80 × 7 = 560,
   40/80 = 40 × 7/80 × 7 = 280/560
3. Likewise, for the 2nd fraction, since 28 × 20 = 560,
   35/28 = 35 × 20/28 × 20 = 700/560
4. Subtract the two like fractions:
   280/560 - 700/560 = 280 - 700/560 = -420/560
5. After reducing the fraction, the answer is -3/4

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