Answers

Subtract 5/49 from 21/80

21/80 - 5/49 is 629/3920.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 49 is 3920
   
   Next, find the equivalent fraction of both fractional numbers with denominator 3920
2. For the 1st fraction, since 80 × 49 = 3920,
   21/80 = 21 × 49/80 × 49 = 1029/3920
3. Likewise, for the 2nd fraction, since 49 × 80 = 3920,
   5/49 = 5 × 80/49 × 80 = 400/3920
4. Subtract the two like fractions:
   1029/3920 - 400/3920 = 1029 - 400/3920 = 629/3920

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