Answers

Subtract 42/10 from 24/30

1^st number: 24/30, 2^nd number: 4 2/10

24/30 - 42/10 is -17/5.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 10 is 30
   
   Next, find the equivalent fraction of both fractional numbers with denominator 30
2. For the 1st fraction, since 30 × 1 = 30,
   24/30 = 24 × 1/30 × 1 = 24/30
3. Likewise, for the 2nd fraction, since 10 × 3 = 30,
   42/10 = 42 × 3/10 × 3 = 126/30
4. Subtract the two like fractions:
   24/30 - 126/30 = 24 - 126/30 = -102/30
5. After reducing the fraction, the answer is -17/5

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