Answers

Subtract 45/81 from 49/80

49/80 - 45/81 is 41/720.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 81 is 6480
   
   Next, find the equivalent fraction of both fractional numbers with denominator 6480
2. For the 1st fraction, since 80 × 81 = 6480,
   49/80 = 49 × 81/80 × 81 = 3969/6480
3. Likewise, for the 2nd fraction, since 81 × 80 = 6480,
   45/81 = 45 × 80/81 × 80 = 3600/6480
4. Subtract the two like fractions:
   3969/6480 - 3600/6480 = 3969 - 3600/6480 = 369/6480
5. After reducing the fraction, the answer is 41/720

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