Answers

Subtract 21/16 from 20/14

1^st number: 1 6/14, 2^nd number: 1 5/16

20/14 - 21/16 is 13/112.

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,
   20/14 = 20 × 8/14 × 8 = 160/112
3. Likewise, for the 2nd fraction, since 16 × 7 = 112,
   21/16 = 21 × 7/16 × 7 = 147/112
4. Subtract the two like fractions:
   160/112 - 147/112 = 160 - 147/112 = 13/112

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