Answers

Subtract 42/30 from 56/21

1^st number: 2 14/21, 2^nd number: 1 12/30

56/21 - 42/30 is 19/15.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 30 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 21 × 10 = 210,
   56/21 = 56 × 10/21 × 10 = 560/210
3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
   42/30 = 42 × 7/30 × 7 = 294/210
4. Subtract the two like fractions:
   560/210 - 294/210 = 560 - 294/210 = 266/210
5. After reducing the fraction, the answer is 19/15
6. In mixed form: 14/15

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