Answers

Subtract 49/48 from 28/72

1^st number: 28/72, 2^nd number: 1 1/48

28/72 - 49/48 is -91/144.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 48 is 144
   
   Next, find the equivalent fraction of both fractional numbers with denominator 144
2. For the 1st fraction, since 72 × 2 = 144,
   28/72 = 28 × 2/72 × 2 = 56/144
3. Likewise, for the 2nd fraction, since 48 × 3 = 144,
   49/48 = 49 × 3/48 × 3 = 147/144
4. Subtract the two like fractions:
   56/144 - 147/144 = 56 - 147/144 = -91/144

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