Answers

Subtract 3/84 from 56/15

1^st number: 3 11/15, 2^nd number: 3/84

56/15 - 3/84 is 1553/420.

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,
   56/15 = 56 × 28/15 × 28 = 1568/420
3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
   3/84 = 3 × 5/84 × 5 = 15/420
4. Subtract the two like fractions:
   1568/420 - 15/420 = 1568 - 15/420 = 1553/420
5. In mixed form: 3293/420

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