Answers

Add 42/36 and 63/40

1^st number: 1 6/36, 2^nd number: 1 23/40

42/36 + 63/40 is 329/120.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 36 and 40 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 36 × 10 = 360,
   42/36 = 42 × 10/36 × 10 = 420/360
3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
   63/40 = 63 × 9/40 × 9 = 567/360
4. Add the two like fractions:
   420/360 + 567/360 = 420 + 567/360 = 987/360
5. 987/360 simplified gives 329/120
6. So, 42/36 + 63/40 = 329/120
   In mixed form: 289/120

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