Answers

Add 75/42 and 40/10

1^st number: 1 33/42, 2^nd number: 4 0/10

75/42 + 40/10 is 81/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 10 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 42 × 5 = 210,
   75/42 = 75 × 5/42 × 5 = 375/210
3. Likewise, for the 2nd fraction, since 10 × 21 = 210,
   40/10 = 40 × 21/10 × 21 = 840/210
4. Add the two like fractions:
   375/210 + 840/210 = 375 + 840/210 = 1215/210
5. 1215/210 simplified gives 81/14
6. So, 75/42 + 40/10 = 81/14
   In mixed form: 511/14

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