Answers

Add 7/98 and 90/40

1^st number: 7/98, 2^nd number: 2 10/40

7/98 + 90/40 is 65/28.

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,
   7/98 = 7 × 20/98 × 20 = 140/1960
3. Likewise, for the 2nd fraction, since 40 × 49 = 1960,
   90/40 = 90 × 49/40 × 49 = 4410/1960
4. Add the two like fractions:
   140/1960 + 4410/1960 = 140 + 4410/1960 = 4550/1960
5. 4550/1960 simplified gives 65/28
6. So, 7/98 + 90/40 = 65/28
   In mixed form: 29/28

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