Answers

Subtract 9/70 from 42/7

1^st number: 6 0/7, 2^nd number: 9/70

42/7 - 9/70 is 411/70.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 70 is 70
   
   Next, find the equivalent fraction of both fractional numbers with denominator 70
2. For the 1st fraction, since 7 × 10 = 70,
   42/7 = 42 × 10/7 × 10 = 420/70
3. Likewise, for the 2nd fraction, since 70 × 1 = 70,
   9/70 = 9 × 1/70 × 1 = 9/70
4. Subtract the two like fractions:
   420/70 - 9/70 = 420 - 9/70 = 411/70
5. In mixed form: 561/70

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