Answers

Add 90/80 and 70/14

1^st number: 1 10/80, 2^nd number: 5 0/14

90/80 + 70/14 is 49/8.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 14 is 560
   
   Next, find the equivalent fraction of both fractional numbers with denominator 560
2. For the 1st fraction, since 80 × 7 = 560,
   90/80 = 90 × 7/80 × 7 = 630/560
3. Likewise, for the 2nd fraction, since 14 × 40 = 560,
   70/14 = 70 × 40/14 × 40 = 2800/560
4. Add the two like fractions:
   630/560 + 2800/560 = 630 + 2800/560 = 3430/560
5. 3430/560 simplified gives 49/8
6. So, 90/80 + 70/14 = 49/8
   In mixed form: 61/8

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