Answers

Subtract 42/56 from 50/21

1^st number: 2 8/21, 2^nd number: 42/56

50/21 - 42/56 is 137/84.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 56 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 21 × 8 = 168,
   50/21 = 50 × 8/21 × 8 = 400/168
3. Likewise, for the 2nd fraction, since 56 × 3 = 168,
   42/56 = 42 × 3/56 × 3 = 126/168
4. Subtract the two like fractions:
   400/168 - 126/168 = 400 - 126/168 = 274/168
5. After reducing the fraction, the answer is 137/84
6. In mixed form: 153/84

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