Answers

Subtract 84/72 from 7/10

1^st number: 7/10, 2^nd number: 1 12/72

7/10 - 84/72 is -7/15.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 72 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 10 × 36 = 360,
   7/10 = 7 × 36/10 × 36 = 252/360
3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
   84/72 = 84 × 5/72 × 5 = 420/360
4. Subtract the two like fractions:
   252/360 - 420/360 = 252 - 420/360 = -168/360
5. After reducing the fraction, the answer is -7/15

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