Answers

Add 90/70 and 5/56

1^st number: 1 20/70, 2^nd number: 5/56

90/70 + 5/56 is 11/8.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 56 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 70 × 4 = 280,
   90/70 = 90 × 4/70 × 4 = 360/280
3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
   5/56 = 5 × 5/56 × 5 = 25/280
4. Add the two like fractions:
   360/280 + 25/280 = 360 + 25/280 = 385/280
5. 385/280 simplified gives 11/8
6. So, 90/70 + 5/56 = 11/8
   In mixed form: 13/8

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