Answers

Subtract 20/90 from 70/54

1^st number: 1 16/54, 2^nd number: 20/90

70/54 - 20/90 is 29/27.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 90 is 270
   
   Next, find the equivalent fraction of both fractional numbers with denominator 270
2. For the 1st fraction, since 54 × 5 = 270,
   70/54 = 70 × 5/54 × 5 = 350/270
3. Likewise, for the 2nd fraction, since 90 × 3 = 270,
   20/90 = 20 × 3/90 × 3 = 60/270
4. Subtract the two like fractions:
   350/270 - 60/270 = 350 - 60/270 = 290/270
5. After reducing the fraction, the answer is 29/27
6. In mixed form: 12/27

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