Answers

Subtract 42/40 from 28/75

1^st number: 28/75, 2^nd number: 1 2/40

28/75 - 42/40 is -203/300.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 40 is 600
   
   Next, find the equivalent fraction of both fractional numbers with denominator 600
2. For the 1st fraction, since 75 × 8 = 600,
   28/75 = 28 × 8/75 × 8 = 224/600
3. Likewise, for the 2nd fraction, since 40 × 15 = 600,
   42/40 = 42 × 15/40 × 15 = 630/600
4. Subtract the two like fractions:
   224/600 - 630/600 = 224 - 630/600 = -406/600
5. After reducing the fraction, the answer is -203/300

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