Answers

Subtract 70/50 from 21/4

1^st number: 5 1/4, 2^nd number: 1 20/50

21/4 - 70/50 is 77/20.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 50 is 100
   
   Next, find the equivalent fraction of both fractional numbers with denominator 100
2. For the 1st fraction, since 4 × 25 = 100,
   21/4 = 21 × 25/4 × 25 = 525/100
3. Likewise, for the 2nd fraction, since 50 × 2 = 100,
   70/50 = 70 × 2/50 × 2 = 140/100
4. Subtract the two like fractions:
   525/100 - 140/100 = 525 - 140/100 = 385/100
5. After reducing the fraction, the answer is 77/20
6. In mixed form: 317/20

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