Answers

Subtract 70/30 from 21/56

1^st number: 21/56, 2^nd number: 2 10/30

21/56 - 70/30 is -47/24.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 30 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 56 × 15 = 840,
   21/56 = 21 × 15/56 × 15 = 315/840
3. Likewise, for the 2nd fraction, since 30 × 28 = 840,
   70/30 = 70 × 28/30 × 28 = 1960/840
4. Subtract the two like fractions:
   315/840 - 1960/840 = 315 - 1960/840 = -1645/840
5. After reducing the fraction, the answer is -47/24

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