Answers

Add 90/56 and 18/72

1^st number: 1 34/56, 2^nd number: 18/72

90/56 + 18/72 is 13/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 72 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 56 × 9 = 504,
   90/56 = 90 × 9/56 × 9 = 810/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   18/72 = 18 × 7/72 × 7 = 126/504
4. Add the two like fractions:
   810/504 + 126/504 = 810 + 126/504 = 936/504
5. 936/504 simplified gives 13/7
6. So, 90/56 + 18/72 = 13/7
   In mixed form: 16/7

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