Answers

Subtract 40/21 from 80/24

1^st number: 3 8/24, 2^nd number: 1 19/21

80/24 - 40/21 is 10/7.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 24 and 21 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 24 × 7 = 168,
   80/24 = 80 × 7/24 × 7 = 560/168
3. Likewise, for the 2nd fraction, since 21 × 8 = 168,
   40/21 = 40 × 8/21 × 8 = 320/168
4. Subtract the two like fractions:
   560/168 - 320/168 = 560 - 320/168 = 240/168
5. After reducing the fraction, the answer is 10/7
6. In mixed form: 13/7

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