Answers

Add 42/35 and 18/72

1^st number: 1 7/35, 2^nd number: 18/72

42/35 + 18/72 is 29/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 72 is 2520
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2520
2. For the 1st fraction, since 35 × 72 = 2520,
   42/35 = 42 × 72/35 × 72 = 3024/2520
3. Likewise, for the 2nd fraction, since 72 × 35 = 2520,
   18/72 = 18 × 35/72 × 35 = 630/2520
4. Add the two like fractions:
   3024/2520 + 630/2520 = 3024 + 630/2520 = 3654/2520
5. 3654/2520 simplified gives 29/20
6. So, 42/35 + 18/72 = 29/20
   In mixed form: 19/20

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