Answers

Subtract 21/10 from 28/25

1^st number: 1 3/25, 2^nd number: 2 1/10

28/25 - 21/10 is -49/50.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 25 and 10 is 50
   
   Next, find the equivalent fraction of both fractional numbers with denominator 50
2. For the 1st fraction, since 25 × 2 = 50,
   28/25 = 28 × 2/25 × 2 = 56/50
3. Likewise, for the 2nd fraction, since 10 × 5 = 50,
   21/10 = 21 × 5/10 × 5 = 105/50
4. Subtract the two like fractions:
   56/50 - 105/50 = 56 - 105/50 = -49/50

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