Answers

Add 70/60 and 45/40

1^st number: 1 10/60, 2^nd number: 1 5/40

70/60 + 45/40 is 55/24.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 40 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 60 × 2 = 120,
   70/60 = 70 × 2/60 × 2 = 140/120
3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
   45/40 = 45 × 3/40 × 3 = 135/120
4. Add the two like fractions:
   140/120 + 135/120 = 140 + 135/120 = 275/120
5. 275/120 simplified gives 55/24
6. So, 70/60 + 45/40 = 55/24
   In mixed form: 27/24

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