Answers

Subtract 45/75 from 45/40

1^st number: 1 5/40, 2^nd number: 45/75

45/40 - 45/75 is 21/40.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 75 is 600
   
   Next, find the equivalent fraction of both fractional numbers with denominator 600
2. For the 1st fraction, since 40 × 15 = 600,
   45/40 = 45 × 15/40 × 15 = 675/600
3. Likewise, for the 2nd fraction, since 75 × 8 = 600,
   45/75 = 45 × 8/75 × 8 = 360/600
4. Subtract the two like fractions:
   675/600 - 360/600 = 675 - 360/600 = 315/600
5. After reducing the fraction, the answer is 21/40

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