Answers

Subtract 8/40 from 75/42

1^st number: 1 33/42, 2^nd number: 8/40

75/42 - 8/40 is 111/70.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 40 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 42 × 20 = 840,
   75/42 = 75 × 20/42 × 20 = 1500/840
3. Likewise, for the 2nd fraction, since 40 × 21 = 840,
   8/40 = 8 × 21/40 × 21 = 168/840
4. Subtract the two like fractions:
   1500/840 - 168/840 = 1500 - 168/840 = 1332/840
5. After reducing the fraction, the answer is 111/70
6. In mixed form: 141/70

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