Answers

Subtract 40/21 from 35/8

1^st number: 4 3/8, 2^nd number: 1 19/21

35/8 - 40/21 is 415/168.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 21 is 168
2. For the 1st fraction, since 8 × 21 = 168,
   35/8 = 35 × 21/8 × 21 = 735/168
3. Likewise, for the 2nd fraction, since 21 × 8 = 168,
   40/21 = 40 × 8/21 × 8 = 320/168
4. Subtract the two fractions:
   735/168 - 320/168 = 735 - 320/168 = 415/168
5. In mixed form: 279/168

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