Answers

Subtract 18/50 from 70/20

1^st number: 3 10/20, 2^nd number: 18/50

70/20 - 18/50 is 157/50.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 50 is 100
   
   Next, find the equivalent fraction of both fractional numbers with denominator 100
2. For the 1st fraction, since 20 × 5 = 100,
   70/20 = 70 × 5/20 × 5 = 350/100
3. Likewise, for the 2nd fraction, since 50 × 2 = 100,
   18/50 = 18 × 2/50 × 2 = 36/100
4. Subtract the two like fractions:
   350/100 - 36/100 = 350 - 36/100 = 314/100
5. After reducing the fraction, the answer is 157/50
6. In mixed form: 37/50

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