Answers

Add 42/40 and 64/30

1^st number: 1 2/40, 2^nd number: 2 4/30

42/40 + 64/30 is 191/60.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 30 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 40 × 3 = 120,
   42/40 = 42 × 3/40 × 3 = 126/120
3. Likewise, for the 2nd fraction, since 30 × 4 = 120,
   64/30 = 64 × 4/30 × 4 = 256/120
4. Add the two like fractions:
   126/120 + 256/120 = 126 + 256/120 = 382/120
5. 382/120 simplified gives 191/60
6. So, 42/40 + 64/30 = 191/60
   In mixed form: 311/60

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