Answers

Subtract 5/21 from 70/50

1^st number: 1 20/50, 2^nd number: 5/21

70/50 - 5/21 is 122/105.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 21 is 1050
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1050
2. For the 1st fraction, since 50 × 21 = 1050,
   70/50 = 70 × 21/50 × 21 = 1470/1050
3. Likewise, for the 2nd fraction, since 21 × 50 = 1050,
   5/21 = 5 × 50/21 × 50 = 250/1050
4. Subtract the two like fractions:
   1470/1050 - 250/1050 = 1470 - 250/1050 = 1220/1050
5. After reducing the fraction, the answer is 122/105
6. In mixed form: 117/105

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