Answers

Add 42/72 and 40/10

1^st number: 42/72, 2^nd number: 4 0/10

42/72 + 40/10 is 55/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 10 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 72 × 5 = 360,
   42/72 = 42 × 5/72 × 5 = 210/360
3. Likewise, for the 2nd fraction, since 10 × 36 = 360,
   40/10 = 40 × 36/10 × 36 = 1440/360
4. Add the two like fractions:
   210/360 + 1440/360 = 210 + 1440/360 = 1650/360
5. 1650/360 simplified gives 55/12
6. So, 42/72 + 40/10 = 55/12
   In mixed form: 47/12

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