Answers

Subtract 96/90 from 42/56

1^st number: 42/56, 2^nd number: 1 6/90

42/56 - 96/90 is -19/60.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 90 is 2520
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2520
2. For the 1st fraction, since 56 × 45 = 2520,
   42/56 = 42 × 45/56 × 45 = 1890/2520
3. Likewise, for the 2nd fraction, since 90 × 28 = 2520,
   96/90 = 96 × 28/90 × 28 = 2688/2520
4. Subtract the two like fractions:
   1890/2520 - 2688/2520 = 1890 - 2688/2520 = -798/2520
5. After reducing the fraction, the answer is -19/60

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