Answers

Subtract 21/80 from 40/6

1^st number: 6 4/6, 2^nd number: 21/80

40/6 - 21/80 is 1537/240.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 6 and 80 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 6 × 40 = 240,
   40/6 = 40 × 40/6 × 40 = 1600/240
3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
   21/80 = 21 × 3/80 × 3 = 63/240
4. Subtract the two like fractions:
   1600/240 - 63/240 = 1600 - 63/240 = 1537/240
5. In mixed form: 697/240

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