Answers

Add 90/6 and 60/70

1^st number: 15 0/6, 2^nd number: 60/70

90/6 + 60/70 is 111/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 6 and 70 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 6 × 35 = 210,
   90/6 = 90 × 35/6 × 35 = 3150/210
3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
   60/70 = 60 × 3/70 × 3 = 180/210
4. Add the two like fractions:
   3150/210 + 180/210 = 3150 + 180/210 = 3330/210
5. 3330/210 simplified gives 111/7
6. So, 90/6 + 60/70 = 111/7
   In mixed form: 156/7

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