Answers

Subtract 40/98 from 7/10

7/10 - 40/98 is 143/490.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 98 is 490
   
   Next, find the equivalent fraction of both fractional numbers with denominator 490
2. For the 1st fraction, since 10 × 49 = 490,
   7/10 = 7 × 49/10 × 49 = 343/490
3. Likewise, for the 2nd fraction, since 98 × 5 = 490,
   40/98 = 40 × 5/98 × 5 = 200/490
4. Subtract the two like fractions:
   343/490 - 200/490 = 343 - 200/490 = 143/490

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