Answers

Add 63/72 and 42/5

1^st number: 63/72, 2^nd number: 8 2/5

63/72 + 42/5 is 371/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 5 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 72 × 5 = 360,
   63/72 = 63 × 5/72 × 5 = 315/360
3. Likewise, for the 2nd fraction, since 5 × 72 = 360,
   42/5 = 42 × 72/5 × 72 = 3024/360
4. Add the two like fractions:
   315/360 + 3024/360 = 315 + 3024/360 = 3339/360
5. 3339/360 simplified gives 371/40
6. So, 63/72 + 42/5 = 371/40
   In mixed form: 911/40

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