Answers

Add 90/16 and 70/56

1^st number: 5 10/16, 2^nd number: 1 14/56

90/16 + 70/56 is 55/8.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 16 and 56 is 112
   
   Next, find the equivalent fraction of both fractional numbers with denominator 112
2. For the 1st fraction, since 16 × 7 = 112,
   90/16 = 90 × 7/16 × 7 = 630/112
3. Likewise, for the 2nd fraction, since 56 × 2 = 112,
   70/56 = 70 × 2/56 × 2 = 140/112
4. Add the two like fractions:
   630/112 + 140/112 = 630 + 140/112 = 770/112
5. 770/112 simplified gives 55/8
6. So, 90/16 + 70/56 = 55/8
   In mixed form: 67/8

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