Answers

Subtract 72/49 from 2/70

1^st number: 2/70, 2^nd number: 1 23/49

2/70 - 72/49 is -353/245.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 49 is 490
   
   Next, find the equivalent fraction of both fractional numbers with denominator 490
2. For the 1st fraction, since 70 × 7 = 490,
   2/70 = 2 × 7/70 × 7 = 14/490
3. Likewise, for the 2nd fraction, since 49 × 10 = 490,
   72/49 = 72 × 10/49 × 10 = 720/490
4. Subtract the two like fractions:
   14/490 - 720/490 = 14 - 720/490 = -706/490
5. After reducing the fraction, the answer is -353/245

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