Answers

Subtract 16/80 from 20/30

20/30 - 16/80 is 7/15.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 80 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 30 × 8 = 240,
   20/30 = 20 × 8/30 × 8 = 160/240
3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
   16/80 = 16 × 3/80 × 3 = 48/240
4. Subtract the two like fractions:
   160/240 - 48/240 = 160 - 48/240 = 112/240
5. After reducing the fraction, the answer is 7/15

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