Answers

Subtract 40/16 from 7/15

1^st number: 7/15, 2^nd number: 2 8/16

7/15 - 40/16 is -61/30.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 16 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 15 × 16 = 240,
   7/15 = 7 × 16/15 × 16 = 112/240
3. Likewise, for the 2nd fraction, since 16 × 15 = 240,
   40/16 = 40 × 15/16 × 15 = 600/240
4. Subtract the two like fractions:
   112/240 - 600/240 = 112 - 600/240 = -488/240
5. After reducing the fraction, the answer is -61/30

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