Answers

Subtract 81/40 from 56/15

1^st number: 3 11/15, 2^nd number: 2 1/40

56/15 - 81/40 is 41/24.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 40 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 15 × 8 = 120,
   56/15 = 56 × 8/15 × 8 = 448/120
3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
   81/40 = 81 × 3/40 × 3 = 243/120
4. Subtract the two like fractions:
   448/120 - 243/120 = 448 - 243/120 = 205/120
5. After reducing the fraction, the answer is 41/24
6. In mixed form: 117/24

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