Answers

Subtract 54/80 from 35/21

1^st number: 1 14/21, 2^nd number: 54/80

35/21 - 54/80 is 119/120.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 80 is 1680
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1680
2. For the 1st fraction, since 21 × 80 = 1680,
   35/21 = 35 × 80/21 × 80 = 2800/1680
3. Likewise, for the 2nd fraction, since 80 × 21 = 1680,
   54/80 = 54 × 21/80 × 21 = 1134/1680
4. Subtract the two like fractions:
   2800/1680 - 1134/1680 = 2800 - 1134/1680 = 1666/1680
5. After reducing the fraction, the answer is 119/120

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