Answers

Add 72/49 and 18/90

1^st number: 1 23/49, 2^nd number: 18/90

72/49 + 18/90 is 409/245.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 49 and 90 is 4410
   
   Next, find the equivalent fraction of both fractional numbers with denominator 4410
2. For the 1st fraction, since 49 × 90 = 4410,
   72/49 = 72 × 90/49 × 90 = 6480/4410
3. Likewise, for the 2nd fraction, since 90 × 49 = 4410,
   18/90 = 18 × 49/90 × 49 = 882/4410
4. Add the two like fractions:
   6480/4410 + 882/4410 = 6480 + 882/4410 = 7362/4410
5. 7362/4410 simplified gives 409/245
6. So, 72/49 + 18/90 = 409/245
   In mixed form: 1164/245

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