Answers

Subtract 10/72 from 90/84

1^st number: 1 6/84, 2^nd number: 10/72

90/84 - 10/72 is 235/252.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 72 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 84 × 6 = 504,
   90/84 = 90 × 6/84 × 6 = 540/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   10/72 = 10 × 7/72 × 7 = 70/504
4. Subtract the two like fractions:
   540/504 - 70/504 = 540 - 70/504 = 470/504
5. After reducing the fraction, the answer is 235/252

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