Answers

Subtract 48/45 from 21/24

1^st number: 21/24, 2^nd number: 1 3/45

21/24 - 48/45 is -23/120.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 24 and 45 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 24 × 15 = 360,
   21/24 = 21 × 15/24 × 15 = 315/360
3. Likewise, for the 2nd fraction, since 45 × 8 = 360,
   48/45 = 48 × 8/45 × 8 = 384/360
4. Subtract the two like fractions:
   315/360 - 384/360 = 315 - 384/360 = -69/360
5. After reducing the fraction, the answer is -23/120

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