Answers

Subtract 18/72 from 63/10

1^st number: 6 3/10, 2^nd number: 18/72

63/10 - 18/72 is 121/20.

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,
   63/10 = 63 × 36/10 × 36 = 2268/360
3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
   18/72 = 18 × 5/72 × 5 = 90/360
4. Subtract the two like fractions:
   2268/360 - 90/360 = 2268 - 90/360 = 2178/360
5. After reducing the fraction, the answer is 121/20
6. In mixed form: 61/20

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