Answers

Subtract 80/49 from 42/56

1^st number: 42/56, 2^nd number: 1 31/49

42/56 - 80/49 is -173/196.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 49 is 392
   
   Next, find the equivalent fraction of both fractional numbers with denominator 392
2. For the 1st fraction, since 56 × 7 = 392,
   42/56 = 42 × 7/56 × 7 = 294/392
3. Likewise, for the 2nd fraction, since 49 × 8 = 392,
   80/49 = 80 × 8/49 × 8 = 640/392
4. Subtract the two like fractions:
   294/392 - 640/392 = 294 - 640/392 = -346/392
5. After reducing the fraction, the answer is -173/196

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