Answers

Subtract 90/35 from 45/24

1^st number: 1 21/24, 2^nd number: 2 20/35

45/24 - 90/35 is -39/56.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 24 and 35 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 24 × 35 = 840,
   45/24 = 45 × 35/24 × 35 = 1575/840
3. Likewise, for the 2nd fraction, since 35 × 24 = 840,
   90/35 = 90 × 24/35 × 24 = 2160/840
4. Subtract the two like fractions:
   1575/840 - 2160/840 = 1575 - 2160/840 = -585/840
5. After reducing the fraction, the answer is -39/56

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