Answers

Subtract 80/98 from 30/45

30/45 - 80/98 is -22/147.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 98 is 4410
   
   Next, find the equivalent fraction of both fractional numbers with denominator 4410
2. For the 1st fraction, since 45 × 98 = 4410,
   30/45 = 30 × 98/45 × 98 = 2940/4410
3. Likewise, for the 2nd fraction, since 98 × 45 = 4410,
   80/98 = 80 × 45/98 × 45 = 3600/4410
4. Subtract the two like fractions:
   2940/4410 - 3600/4410 = 2940 - 3600/4410 = -660/4410
5. After reducing the fraction, the answer is -22/147

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