Answers

Add 64/40 and 70/60

1^st number: 1 24/40, 2^nd number: 1 10/60

64/40 + 70/60 is 83/30.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 60 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 40 × 3 = 120,
   64/40 = 64 × 3/40 × 3 = 192/120
3. Likewise, for the 2nd fraction, since 60 × 2 = 120,
   70/60 = 70 × 2/60 × 2 = 140/120
4. Add the two like fractions:
   192/120 + 140/120 = 192 + 140/120 = 332/120
5. 332/120 simplified gives 83/30
6. So, 64/40 + 70/60 = 83/30
   In mixed form: 223/30

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