Answers

Subtract 20/84 from 50/15

1^st number: 3 5/15, 2^nd number: 20/84

50/15 - 20/84 is 65/21.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 84 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 15 × 28 = 420,
   50/15 = 50 × 28/15 × 28 = 1400/420
3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
   20/84 = 20 × 5/84 × 5 = 100/420
4. Subtract the two like fractions:
   1400/420 - 100/420 = 1400 - 100/420 = 1300/420
5. After reducing the fraction, the answer is 65/21
6. In mixed form: 32/21

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