Answers

Add 72/60 and 42/35

1^st number: 1 12/60, 2^nd number: 1 7/35

72/60 + 42/35 is 12/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 35 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 60 × 7 = 420,
   72/60 = 72 × 7/60 × 7 = 504/420
3. Likewise, for the 2nd fraction, since 35 × 12 = 420,
   42/35 = 42 × 12/35 × 12 = 504/420
4. Add the two like fractions:
   504/420 + 504/420 = 504 + 504/420 = 1008/420
5. 1008/420 simplified gives 12/5
6. So, 72/60 + 42/35 = 12/5
   In mixed form: 22/5

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