Answers

Subtract 18/49 from 81/28

1^st number: 2 25/28, 2^nd number: 18/49

81/28 - 18/49 is 495/196.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 49 is 196
   
   Next, find the equivalent fraction of both fractional numbers with denominator 196
2. For the 1st fraction, since 28 × 7 = 196,
   81/28 = 81 × 7/28 × 7 = 567/196
3. Likewise, for the 2nd fraction, since 49 × 4 = 196,
   18/49 = 18 × 4/49 × 4 = 72/196
4. Subtract the two like fractions:
   567/196 - 72/196 = 567 - 72/196 = 495/196
5. In mixed form: 2103/196

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