Answers

Subtract 56/49 from 45/70

1^st number: 45/70, 2^nd number: 1 7/49

45/70 - 56/49 is -1/2.

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,
   45/70 = 45 × 7/70 × 7 = 315/490
3. Likewise, for the 2nd fraction, since 49 × 10 = 490,
   56/49 = 56 × 10/49 × 10 = 560/490
4. Subtract the two like fractions:
   315/490 - 560/490 = 315 - 560/490 = -245/490
5. After reducing the fraction, the answer is -1/2

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