Answers

Subtract 40/98 from 30/15

1^st number: 2 0/15, 2^nd number: 40/98

30/15 - 40/98 is 78/49.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 98 is 1470
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1470
2. For the 1st fraction, since 15 × 98 = 1470,
   30/15 = 30 × 98/15 × 98 = 2940/1470
3. Likewise, for the 2nd fraction, since 98 × 15 = 1470,
   40/98 = 40 × 15/98 × 15 = 600/1470
4. Subtract the two like fractions:
   2940/1470 - 600/1470 = 2940 - 600/1470 = 2340/1470
5. After reducing the fraction, the answer is 78/49
6. In mixed form: 129/49

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