Answers

Subtract 21/24 from 90/25

1^st number: 3 15/25, 2^nd number: 21/24

90/25 - 21/24 is 109/40.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 25 and 24 is 600
   
   Next, find the equivalent fraction of both fractional numbers with denominator 600
2. For the 1st fraction, since 25 × 24 = 600,
   90/25 = 90 × 24/25 × 24 = 2160/600
3. Likewise, for the 2nd fraction, since 24 × 25 = 600,
   21/24 = 21 × 25/24 × 25 = 525/600
4. Subtract the two like fractions:
   2160/600 - 525/600 = 2160 - 525/600 = 1635/600
5. After reducing the fraction, the answer is 109/40
6. In mixed form: 229/40

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