Answers

Subtract 15/8 from 18/49

1^st number: 18/49, 2^nd number: 1 7/8

18/49 - 15/8 is -591/392.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 49 and 8 is 392
   
   Next, find the equivalent fraction of both fractional numbers with denominator 392
2. For the 1st fraction, since 49 × 8 = 392,
   18/49 = 18 × 8/49 × 8 = 144/392
3. Likewise, for the 2nd fraction, since 8 × 49 = 392,
   15/8 = 15 × 49/8 × 49 = 735/392
4. Subtract the two like fractions:
   144/392 - 735/392 = 144 - 735/392 = -591/392

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