Answers

Subtract 42/63 from 70/7

1^st number: 10 0/7, 2^nd number: 42/63

70/7 - 42/63 is 28/3.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 63 is 63
   
   Next, find the equivalent fraction of both fractional numbers with denominator 63
2. For the 1st fraction, since 7 × 9 = 63,
   70/7 = 70 × 9/7 × 9 = 630/63
3. Likewise, for the 2nd fraction, since 63 × 1 = 63,
   42/63 = 42 × 1/63 × 1 = 42/63
4. Subtract the two like fractions:
   630/63 - 42/63 = 630 - 42/63 = 588/63
5. After reducing the fraction, the answer is 28/3
6. In mixed form: 91/3

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