Answers

Add 15/98 and 45/40

1^st number: 15/98, 2^nd number: 1 5/40

15/98 + 45/40 is 501/392.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 40 is 1960
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1960
2. For the 1st fraction, since 98 × 20 = 1960,
   15/98 = 15 × 20/98 × 20 = 300/1960
3. Likewise, for the 2nd fraction, since 40 × 49 = 1960,
   45/40 = 45 × 49/40 × 49 = 2205/1960
4. Add the two like fractions:
   300/1960 + 2205/1960 = 300 + 2205/1960 = 2505/1960
5. 2505/1960 simplified gives 501/392
6. So, 15/98 + 45/40 = 501/392
   In mixed form: 1109/392

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