Answers

Subtract 80/72 from 7/16

1^st number: 7/16, 2^nd number: 1 8/72

7/16 - 80/72 is -97/144.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 16 and 72 is 144
   
   Next, find the equivalent fraction of both fractional numbers with denominator 144
2. For the 1st fraction, since 16 × 9 = 144,
   7/16 = 7 × 9/16 × 9 = 63/144
3. Likewise, for the 2nd fraction, since 72 × 2 = 144,
   80/72 = 80 × 2/72 × 2 = 160/144
4. Subtract the two like fractions:
   63/144 - 160/144 = 63 - 160/144 = -97/144

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