Answers

Subtract 35/24 from 21/20

1^st number: 1 1/20, 2^nd number: 1 11/24

21/20 - 35/24 is -49/120.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 24 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 20 × 6 = 120,
   21/20 = 21 × 6/20 × 6 = 126/120
3. Likewise, for the 2nd fraction, since 24 × 5 = 120,
   35/24 = 35 × 5/24 × 5 = 175/120
4. Subtract the two like fractions:
   126/120 - 175/120 = 126 - 175/120 = -49/120

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