Answers

Add 80/40 and 7/49

1^st number: 2 0/40, 2^nd number: 7/49

80/40 + 7/49 is 15/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 49 is 1960
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1960
2. For the 1st fraction, since 40 × 49 = 1960,
   80/40 = 80 × 49/40 × 49 = 3920/1960
3. Likewise, for the 2nd fraction, since 49 × 40 = 1960,
   7/49 = 7 × 40/49 × 40 = 280/1960
4. Add the two like fractions:
   3920/1960 + 280/1960 = 3920 + 280/1960 = 4200/1960
5. 4200/1960 simplified gives 15/7
6. So, 80/40 + 7/49 = 15/7
   In mixed form: 21/7

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