Answers

Subtract 42/75 from 18/10

1^st number: 1 8/10, 2^nd number: 42/75

18/10 - 42/75 is 31/25.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 75 is 150
   
   Next, find the equivalent fraction of both fractional numbers with denominator 150
2. For the 1st fraction, since 10 × 15 = 150,
   18/10 = 18 × 15/10 × 15 = 270/150
3. Likewise, for the 2nd fraction, since 75 × 2 = 150,
   42/75 = 42 × 2/75 × 2 = 84/150
4. Subtract the two like fractions:
   270/150 - 84/150 = 270 - 84/150 = 186/150
5. After reducing the fraction, the answer is 31/25
6. In mixed form: 16/25

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