Answers

Add 72/10 and 63/54

1^st number: 7 2/10, 2^nd number: 1 9/54

72/10 + 63/54 is 251/30.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 54 is 270
   
   Next, find the equivalent fraction of both fractional numbers with denominator 270
2. For the 1st fraction, since 10 × 27 = 270,
   72/10 = 72 × 27/10 × 27 = 1944/270
3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
   63/54 = 63 × 5/54 × 5 = 315/270
4. Add the two like fractions:
   1944/270 + 315/270 = 1944 + 315/270 = 2259/270
5. 2259/270 simplified gives 251/30
6. So, 72/10 + 63/54 = 251/30
   In mixed form: 811/30

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