Answers

Subtract 21/12 from 14/15

1^st number: 14/15, 2^nd number: 1 9/12

14/15 - 21/12 is -49/60.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 12 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 15 × 4 = 60,
   14/15 = 14 × 4/15 × 4 = 56/60
3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
   21/12 = 21 × 5/12 × 5 = 105/60
4. Subtract the two like fractions:
   56/60 - 105/60 = 56 - 105/60 = -49/60

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