Answers

Add 70/12 and 90/40

1^st number: 5 10/12, 2^nd number: 2 10/40

70/12 + 90/40 is 97/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 40 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 12 × 10 = 120,
   70/12 = 70 × 10/12 × 10 = 700/120
3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
   90/40 = 90 × 3/40 × 3 = 270/120
4. Add the two like fractions:
   700/120 + 270/120 = 700 + 270/120 = 970/120
5. 970/120 simplified gives 97/12
6. So, 70/12 + 90/40 = 97/12
   In mixed form: 81/12

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