Answers

Add 42/24 and 15/45

1^st number: 1 18/24, 2^nd number: 15/45

42/24 + 15/45 is 25/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 24 and 45 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 24 × 15 = 360,
   42/24 = 42 × 15/24 × 15 = 630/360
3. Likewise, for the 2nd fraction, since 45 × 8 = 360,
   15/45 = 15 × 8/45 × 8 = 120/360
4. Add the two like fractions:
   630/360 + 120/360 = 630 + 120/360 = 750/360
5. 750/360 simplified gives 25/12
6. So, 42/24 + 15/45 = 25/12
   In mixed form: 21/12

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