Answers

Subtract 42/8 from 10/28

1^st number: 10/28, 2^nd number: 5 2/8

10/28 - 42/8 is -137/28.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 8 is 56
   
   Next, find the equivalent fraction of both fractional numbers with denominator 56
2. For the 1st fraction, since 28 × 2 = 56,
   10/28 = 10 × 2/28 × 2 = 20/56
3. Likewise, for the 2nd fraction, since 8 × 7 = 56,
   42/8 = 42 × 7/8 × 7 = 294/56
4. Subtract the two like fractions:
   20/56 - 294/56 = 20 - 294/56 = -274/56
5. After reducing the fraction, the answer is -137/28

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