Answers

Add 72/24 and 42/90

1^st number: 3 0/24, 2^nd number: 42/90

72/24 + 42/90 is 52/15.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 24 and 90 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 24 × 15 = 360,
   72/24 = 72 × 15/24 × 15 = 1080/360
3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
   42/90 = 42 × 4/90 × 4 = 168/360
4. Add the two like fractions:
   1080/360 + 168/360 = 1080 + 168/360 = 1248/360
5. 1248/360 simplified gives 52/15
6. So, 72/24 + 42/90 = 52/15
   In mixed form: 37/15

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