Answers

Subtract 27/35 from 72/80

72/80 - 27/35 is 9/70.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 35 is 560
   
   Next, find the equivalent fraction of both fractional numbers with denominator 560
2. For the 1st fraction, since 80 × 7 = 560,
   72/80 = 72 × 7/80 × 7 = 504/560
3. Likewise, for the 2nd fraction, since 35 × 16 = 560,
   27/35 = 27 × 16/35 × 16 = 432/560
4. Subtract the two like fractions:
   504/560 - 432/560 = 504 - 432/560 = 72/560
5. After reducing the fraction, the answer is 9/70

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