Answers

Add 75/42 and 64/40

1^st number: 1 33/42, 2^nd number: 1 24/40

75/42 + 64/40 is 237/70.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 40 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 42 × 20 = 840,
   75/42 = 75 × 20/42 × 20 = 1500/840
3. Likewise, for the 2nd fraction, since 40 × 21 = 840,
   64/40 = 64 × 21/40 × 21 = 1344/840
4. Add the two like fractions:
   1500/840 + 1344/840 = 1500 + 1344/840 = 2844/840
5. 2844/840 simplified gives 237/70
6. So, 75/42 + 64/40 = 237/70
   In mixed form: 327/70

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