Answers

Subtract 90/70 from 54/24

1^st number: 2 6/24, 2^nd number: 1 20/70

54/24 - 90/70 is 27/28.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 24 and 70 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 24 × 35 = 840,
   54/24 = 54 × 35/24 × 35 = 1890/840
3. Likewise, for the 2nd fraction, since 70 × 12 = 840,
   90/70 = 90 × 12/70 × 12 = 1080/840
4. Subtract the two like fractions:
   1890/840 - 1080/840 = 1890 - 1080/840 = 810/840
5. After reducing the fraction, the answer is 27/28

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