Answers

Subtract 50/28 from 4/20

1^st number: 4/20, 2^nd number: 1 22/28

4/20 - 50/28 is -111/70.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 28 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 20 × 7 = 140,
   4/20 = 4 × 7/20 × 7 = 28/140
3. Likewise, for the 2nd fraction, since 28 × 5 = 140,
   50/28 = 50 × 5/28 × 5 = 250/140
4. Subtract the two like fractions:
   28/140 - 250/140 = 28 - 250/140 = -222/140
5. After reducing the fraction, the answer is -111/70

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