Answers

Subtract 90/72 from 36/15

1^st number: 2 6/15, 2^nd number: 1 18/72

36/15 - 90/72 is 23/20.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 72 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 15 × 24 = 360,
   36/15 = 36 × 24/15 × 24 = 864/360
3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
   90/72 = 90 × 5/72 × 5 = 450/360
4. Subtract the two like fractions:
   864/360 - 450/360 = 864 - 450/360 = 414/360
5. After reducing the fraction, the answer is 23/20
6. In mixed form: 13/20

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