Answers

Subtract 70/50 from 90/48

1^st number: 1 42/48, 2^nd number: 1 20/50

90/48 - 70/50 is 19/40.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 48 and 50 is 1200
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1200
2. For the 1st fraction, since 48 × 25 = 1200,
   90/48 = 90 × 25/48 × 25 = 2250/1200
3. Likewise, for the 2nd fraction, since 50 × 24 = 1200,
   70/50 = 70 × 24/50 × 24 = 1680/1200
4. Subtract the two like fractions:
   2250/1200 - 1680/1200 = 2250 - 1680/1200 = 570/1200
5. After reducing the fraction, the answer is 19/40

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