Answers

Subtract 21/16 from 80/14

1^st number: 5 10/14, 2^nd number: 1 5/16

80/14 - 21/16 is 493/112.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 14 and 16 is 112
   
   Next, find the equivalent fraction of both fractional numbers with denominator 112
2. For the 1st fraction, since 14 × 8 = 112,
   80/14 = 80 × 8/14 × 8 = 640/112
3. Likewise, for the 2nd fraction, since 16 × 7 = 112,
   21/16 = 21 × 7/16 × 7 = 147/112
4. Subtract the two like fractions:
   640/112 - 147/112 = 640 - 147/112 = 493/112
5. In mixed form: 445/112

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