Answers

Subtract 49/80 from 16/28

16/28 - 49/80 is -23/560.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 80 is 560
   
   Next, find the equivalent fraction of both fractional numbers with denominator 560
2. For the 1st fraction, since 28 × 20 = 560,
   16/28 = 16 × 20/28 × 20 = 320/560
3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
   49/80 = 49 × 7/80 × 7 = 343/560
4. Subtract the two like fractions:
   320/560 - 343/560 = 320 - 343/560 = -23/560

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