Answers

Subtract 63/80 from 28/15

1^st number: 1 13/15, 2^nd number: 63/80

28/15 - 63/80 is 259/240.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 80 is 240
2. For the 1st fraction, since 15 × 16 = 240,
   28/15 = 28 × 16/15 × 16 = 448/240
3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
   63/80 = 63 × 3/80 × 3 = 189/240
4. Subtract the two fractions:
   448/240 - 189/240 = 448 - 189/240 = 259/240
5. In mixed form: 119/240

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