Answers

Subtract 2/63 from 49/70

49/70 - 2/63 is 421/630.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 63 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 70 × 9 = 630,
   49/70 = 49 × 9/70 × 9 = 441/630
3. Likewise, for the 2nd fraction, since 63 × 10 = 630,
   2/63 = 2 × 10/63 × 10 = 20/630
4. Subtract the two like fractions:
   441/630 - 20/630 = 441 - 20/630 = 421/630

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