Answers

Subtract 7/72 from 90/14

1^st number: 6 6/14, 2^nd number: 7/72

90/14 - 7/72 is 3191/504.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 14 and 72 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 14 × 36 = 504,
   90/14 = 90 × 36/14 × 36 = 3240/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   7/72 = 7 × 7/72 × 7 = 49/504
4. Subtract the two like fractions:
   3240/504 - 49/504 = 3240 - 49/504 = 3191/504
5. In mixed form: 6167/504

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