Answers

Subtract 40/49 from 15/8

1^st number: 1 7/8, 2^nd number: 40/49

15/8 - 40/49 is 415/392.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 49 is 392
   
   Next, find the equivalent fraction of both fractional numbers with denominator 392
2. For the 1st fraction, since 8 × 49 = 392,
   15/8 = 15 × 49/8 × 49 = 735/392
3. Likewise, for the 2nd fraction, since 49 × 8 = 392,
   40/49 = 40 × 8/49 × 8 = 320/392
4. Subtract the two like fractions:
   735/392 - 320/392 = 735 - 320/392 = 415/392
5. In mixed form: 123/392

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