Answers

Subtract 21/5 from 49/45

1^st number: 1 4/45, 2^nd number: 4 1/5

49/45 - 21/5 is -28/9.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 5 is 45
   
   Next, find the equivalent fraction of both fractional numbers with denominator 45
2. For the 1st fraction, since 45 × 1 = 45,
   49/45 = 49 × 1/45 × 1 = 49/45
3. Likewise, for the 2nd fraction, since 5 × 9 = 45,
   21/5 = 21 × 9/5 × 9 = 189/45
4. Subtract the two like fractions:
   49/45 - 189/45 = 49 - 189/45 = -140/45
5. After reducing the fraction, the answer is -28/9

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