Answers

Subtract 4/70 from 49/42

1^st number: 1 7/42, 2^nd number: 4/70

49/42 - 4/70 is 233/210.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 70 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 42 × 5 = 210,
   49/42 = 49 × 5/42 × 5 = 245/210
3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
   4/70 = 4 × 3/70 × 3 = 12/210
4. Subtract the two like fractions:
   245/210 - 12/210 = 245 - 12/210 = 233/210
5. In mixed form: 123/210

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