Answers

Add 90/48 and 21/56

1^st number: 1 42/48, 2^nd number: 21/56

90/48 + 21/56 is 9/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 48 and 56 is 336
   
   Next, find the equivalent fraction of both fractional numbers with denominator 336
2. For the 1st fraction, since 48 × 7 = 336,
   90/48 = 90 × 7/48 × 7 = 630/336
3. Likewise, for the 2nd fraction, since 56 × 6 = 336,
   21/56 = 21 × 6/56 × 6 = 126/336
4. Add the two like fractions:
   630/336 + 126/336 = 630 + 126/336 = 756/336
5. 756/336 simplified gives 9/4
6. So, 90/48 + 21/56 = 9/4
   In mixed form: 21/4

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