Answers

Subtract 1/49 from 25/21

1^st number: 1 4/21, 2^nd number: 1/49

25/21 - 1/49 is 172/147.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 49 is 147
   
   Next, find the equivalent fraction of both fractional numbers with denominator 147
2. For the 1st fraction, since 21 × 7 = 147,
   25/21 = 25 × 7/21 × 7 = 175/147
3. Likewise, for the 2nd fraction, since 49 × 3 = 147,
   1/49 = 1 × 3/49 × 3 = 3/147
4. Subtract the two like fractions:
   175/147 - 3/147 = 175 - 3/147 = 172/147
5. In mixed form: 125/147

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