Answers

Subtract 20/80 from 28/30

28/30 - 20/80 is 41/60.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 80 is 240
2. For the 1st fraction, since 30 × 8 = 240,
   28/30 = 28 × 8/30 × 8 = 224/240
3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
   20/80 = 20 × 3/80 × 3 = 60/240
4. Subtract the two fractions:
   224/240 - 60/240 = 224 - 60/240 = 164/240
5. After reducing the fraction, the answer is 41/60

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