Answers

Add 30/25 and 42/72

1^st number: 1 5/25, 2^nd number: 42/72

30/25 + 42/72 is 107/60.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 25 and 72 is 1800
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1800
2. For the 1st fraction, since 25 × 72 = 1800,
   30/25 = 30 × 72/25 × 72 = 2160/1800
3. Likewise, for the 2nd fraction, since 72 × 25 = 1800,
   42/72 = 42 × 25/72 × 25 = 1050/1800
4. Add the two like fractions:
   2160/1800 + 1050/1800 = 2160 + 1050/1800 = 3210/1800
5. 3210/1800 simplified gives 107/60
6. So, 30/25 + 42/72 = 107/60
   In mixed form: 147/60

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