Answers

Add 81/15 and 40/49

1^st number: 5 6/15, 2^nd number: 40/49

81/15 + 40/49 is 1523/245.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 49 is 735
   
   Next, find the equivalent fraction of both fractional numbers with denominator 735
2. For the 1st fraction, since 15 × 49 = 735,
   81/15 = 81 × 49/15 × 49 = 3969/735
3. Likewise, for the 2nd fraction, since 49 × 15 = 735,
   40/49 = 40 × 15/49 × 15 = 600/735
4. Add the two like fractions:
   3969/735 + 600/735 = 3969 + 600/735 = 4569/735
5. 4569/735 simplified gives 1523/245
6. So, 81/15 + 40/49 = 1523/245
   In mixed form: 653/245

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