Answers

Add 15/70 and 81/16

1^st number: 15/70, 2^nd number: 5 1/16

15/70 + 81/16 is 591/112.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 16 is 560
   
   Next, find the equivalent fraction of both fractional numbers with denominator 560
2. For the 1st fraction, since 70 × 8 = 560,
   15/70 = 15 × 8/70 × 8 = 120/560
3. Likewise, for the 2nd fraction, since 16 × 35 = 560,
   81/16 = 81 × 35/16 × 35 = 2835/560
4. Add the two like fractions:
   120/560 + 2835/560 = 120 + 2835/560 = 2955/560
5. 2955/560 simplified gives 591/112
6. So, 15/70 + 81/16 = 591/112
   In mixed form: 531/112

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