Answers

Subtract 90/35 from 54/48

1^st number: 1 6/48, 2^nd number: 2 20/35

54/48 - 90/35 is -81/56.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 48 and 35 is 1680
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1680
2. For the 1st fraction, since 48 × 35 = 1680,
   54/48 = 54 × 35/48 × 35 = 1890/1680
3. Likewise, for the 2nd fraction, since 35 × 48 = 1680,
   90/35 = 90 × 48/35 × 48 = 4320/1680
4. Subtract the two like fractions:
   1890/1680 - 4320/1680 = 1890 - 4320/1680 = -2430/1680
5. After reducing the fraction, the answer is -81/56

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