Answers

Subtract 63/80 from 27/7

1^st number: 3 6/7, 2^nd number: 63/80

27/7 - 63/80 is 1719/560.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 80 is 560
   
   Next, find the equivalent fraction of both fractional numbers with denominator 560
2. For the 1st fraction, since 7 × 80 = 560,
   27/7 = 27 × 80/7 × 80 = 2160/560
3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
   63/80 = 63 × 7/80 × 7 = 441/560
4. Subtract the two like fractions:
   2160/560 - 441/560 = 2160 - 441/560 = 1719/560
5. In mixed form: 339/560

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