Answers

Subtract 42/96 from 90/50

1^st number: 1 40/50, 2^nd number: 42/96

90/50 - 42/96 is 109/80.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 96 is 2400
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2400
2. For the 1st fraction, since 50 × 48 = 2400,
   90/50 = 90 × 48/50 × 48 = 4320/2400
3. Likewise, for the 2nd fraction, since 96 × 25 = 2400,
   42/96 = 42 × 25/96 × 25 = 1050/2400
4. Subtract the two like fractions:
   4320/2400 - 1050/2400 = 4320 - 1050/2400 = 3270/2400
5. After reducing the fraction, the answer is 109/80
6. In mixed form: 129/80

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