Answers

Subtract 56/80 from 84/54

1^st number: 1 30/54, 2^nd number: 56/80

84/54 - 56/80 is 77/90.

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,
   84/54 = 84 × 40/54 × 40 = 3360/2160
3. Likewise, for the 2nd fraction, since 80 × 27 = 2160,
   56/80 = 56 × 27/80 × 27 = 1512/2160
4. Subtract the two like fractions:
   3360/2160 - 1512/2160 = 3360 - 1512/2160 = 1848/2160
5. After reducing the fraction, the answer is 77/90

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