Answers

Subtract 54/49 from 4/81

1^st number: 4/81, 2^nd number: 1 5/49

4/81 - 54/49 is -4178/3969.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 49 is 3969
   
   Next, find the equivalent fraction of both fractional numbers with denominator 3969
2. For the 1st fraction, since 81 × 49 = 3969,
   4/81 = 4 × 49/81 × 49 = 196/3969
3. Likewise, for the 2nd fraction, since 49 × 81 = 3969,
   54/49 = 54 × 81/49 × 81 = 4374/3969
4. Subtract the two like fractions:
   196/3969 - 4374/3969 = 196 - 4374/3969 = -4178/3969

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