Answers

Subtract 28/35 from 81/40

1^st number: 2 1/40, 2^nd number: 28/35

81/40 - 28/35 is 49/40.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 35 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 40 × 7 = 280,
   81/40 = 81 × 7/40 × 7 = 567/280
3. Likewise, for the 2nd fraction, since 35 × 8 = 280,
   28/35 = 28 × 8/35 × 8 = 224/280
4. Subtract the two like fractions:
   567/280 - 224/280 = 567 - 224/280 = 343/280
5. After reducing the fraction, the answer is 49/40
6. In mixed form: 19/40

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