Answers

Subtract 70/30 from 49/63

1^st number: 49/63, 2^nd number: 2 10/30

49/63 - 70/30 is -14/9.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 30 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 63 × 10 = 630,
   49/63 = 49 × 10/63 × 10 = 490/630
3. Likewise, for the 2nd fraction, since 30 × 21 = 630,
   70/30 = 70 × 21/30 × 21 = 1470/630
4. Subtract the two like fractions:
   490/630 - 1470/630 = 490 - 1470/630 = -980/630
5. After reducing the fraction, the answer is -14/9

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