Answers

Add 70/15 and 90/16

1^st number: 4 10/15, 2^nd number: 5 10/16

70/15 + 90/16 is 247/24.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 16 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 15 × 16 = 240,
   70/15 = 70 × 16/15 × 16 = 1120/240
3. Likewise, for the 2nd fraction, since 16 × 15 = 240,
   90/16 = 90 × 15/16 × 15 = 1350/240
4. Add the two like fractions:
   1120/240 + 1350/240 = 1120 + 1350/240 = 2470/240
5. 2470/240 simplified gives 247/24
6. So, 70/15 + 90/16 = 247/24
   In mixed form: 107/24

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