Answers

Subtract 42/48 from 90/28

1^st number: 3 6/28, 2^nd number: 42/48

90/28 - 42/48 is 131/56.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 48 is 336
   
   Next, find the equivalent fraction of both fractional numbers with denominator 336
2. For the 1st fraction, since 28 × 12 = 336,
   90/28 = 90 × 12/28 × 12 = 1080/336
3. Likewise, for the 2nd fraction, since 48 × 7 = 336,
   42/48 = 42 × 7/48 × 7 = 294/336
4. Subtract the two like fractions:
   1080/336 - 294/336 = 1080 - 294/336 = 786/336
5. After reducing the fraction, the answer is 131/56
6. In mixed form: 219/56

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