Answers

Subtract 21/70 from 56/28

1^st number: 2 0/28, 2^nd number: 21/70

56/28 - 21/70 is 17/10.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 70 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 28 × 5 = 140,
   56/28 = 56 × 5/28 × 5 = 280/140
3. Likewise, for the 2nd fraction, since 70 × 2 = 140,
   21/70 = 21 × 2/70 × 2 = 42/140
4. Subtract the two like fractions:
   280/140 - 42/140 = 280 - 42/140 = 238/140
5. After reducing the fraction, the answer is 17/10
6. In mixed form: 17/10

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