Answers

Subtract 50/35 from 21/28

1^st number: 21/28, 2^nd number: 1 15/35

21/28 - 50/35 is -19/28.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 35 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 28 × 5 = 140,
   21/28 = 21 × 5/28 × 5 = 105/140
3. Likewise, for the 2nd fraction, since 35 × 4 = 140,
   50/35 = 50 × 4/35 × 4 = 200/140
4. Subtract the two like fractions:
   105/140 - 200/140 = 105 - 200/140 = -95/140
5. After reducing the fraction, the answer is -19/28

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