Answers

Subtract 35/28 from 10/72

1^st number: 10/72, 2^nd number: 1 7/28

10/72 - 35/28 is -10/9.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 28 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 72 × 7 = 504,
   10/72 = 10 × 7/72 × 7 = 70/504
3. Likewise, for the 2nd fraction, since 28 × 18 = 504,
   35/28 = 35 × 18/28 × 18 = 630/504
4. Subtract the two like fractions:
   70/504 - 630/504 = 70 - 630/504 = -560/504
5. After reducing the fraction, the answer is -10/9

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