Answers

Subtract 12/90 from 49/48

1^st number: 1 1/48, 2^nd number: 12/90

49/48 - 12/90 is 71/80.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 48 and 90 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 48 × 15 = 720,
   49/48 = 49 × 15/48 × 15 = 735/720
3. Likewise, for the 2nd fraction, since 90 × 8 = 720,
   12/90 = 12 × 8/90 × 8 = 96/720
4. Subtract the two like fractions:
   735/720 - 96/720 = 735 - 96/720 = 639/720
5. After reducing the fraction, the answer is 71/80

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