Answers

Subtract 42/10 from 42/48

1^st number: 42/48, 2^nd number: 4 2/10

42/48 - 42/10 is -133/40.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 48 and 10 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 48 × 5 = 240,
   42/48 = 42 × 5/48 × 5 = 210/240
3. Likewise, for the 2nd fraction, since 10 × 24 = 240,
   42/10 = 42 × 24/10 × 24 = 1008/240
4. Subtract the two like fractions:
   210/240 - 1008/240 = 210 - 1008/240 = -798/240
5. After reducing the fraction, the answer is -133/40

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