Answers

Add 56/48 and 21/90

1^st number: 1 8/48, 2^nd number: 21/90

56/48 + 21/90 is 7/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 48 and 90 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 48 × 15 = 720,
   56/48 = 56 × 15/48 × 15 = 840/720
3. Likewise, for the 2nd fraction, since 90 × 8 = 720,
   21/90 = 21 × 8/90 × 8 = 168/720
4. Add the two like fractions:
   840/720 + 168/720 = 840 + 168/720 = 1008/720
5. 1008/720 simplified gives 7/5
6. So, 56/48 + 21/90 = 7/5
   In mixed form: 12/5

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