Answers

Subtract 21/36 from 90/75

1^st number: 1 15/75, 2^nd number: 21/36

90/75 - 21/36 is 37/60.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 36 is 900
   
   Next, find the equivalent fraction of both fractional numbers with denominator 900
2. For the 1st fraction, since 75 × 12 = 900,
   90/75 = 90 × 12/75 × 12 = 1080/900
3. Likewise, for the 2nd fraction, since 36 × 25 = 900,
   21/36 = 21 × 25/36 × 25 = 525/900
4. Subtract the two like fractions:
   1080/900 - 525/900 = 1080 - 525/900 = 555/900
5. After reducing the fraction, the answer is 37/60

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