Answers

Subtract 15/80 from 70/54

1^st number: 1 16/54, 2^nd number: 15/80

70/54 - 15/80 is 479/432.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 80 is 2160
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2160
2. For the 1st fraction, since 54 × 40 = 2160,
   70/54 = 70 × 40/54 × 40 = 2800/2160
3. Likewise, for the 2nd fraction, since 80 × 27 = 2160,
   15/80 = 15 × 27/80 × 27 = 405/2160
4. Subtract the two like fractions:
   2800/2160 - 405/2160 = 2800 - 405/2160 = 2395/2160
5. After reducing the fraction, the answer is 479/432
6. In mixed form: 147/432

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