Answers

Subtract 80/49 from 42/28

1^st number: 1 14/28, 2^nd number: 1 31/49

42/28 - 80/49 is -13/98.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 49 is 196
   
   Next, find the equivalent fraction of both fractional numbers with denominator 196
2. For the 1st fraction, since 28 × 7 = 196,
   42/28 = 42 × 7/28 × 7 = 294/196
3. Likewise, for the 2nd fraction, since 49 × 4 = 196,
   80/49 = 80 × 4/49 × 4 = 320/196
4. Subtract the two like fractions:
   294/196 - 320/196 = 294 - 320/196 = -26/196
5. After reducing the fraction, the answer is -13/98

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