Answers

Add 90/6 and 70/80

1^st number: 15 0/6, 2^nd number: 70/80

90/6 + 70/80 is 127/8.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 6 and 80 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 6 × 40 = 240,
   90/6 = 90 × 40/6 × 40 = 3600/240
3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
   70/80 = 70 × 3/80 × 3 = 210/240
4. Add the two like fractions:
   3600/240 + 210/240 = 3600 + 210/240 = 3810/240
5. 3810/240 simplified gives 127/8
6. So, 90/6 + 70/80 = 127/8
   In mixed form: 157/8

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