Answers

Add 2/28 and 90/80

1^st number: 2/28, 2^nd number: 1 10/80

2/28 + 90/80 is 67/56.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 80 is 560
   
   Next, find the equivalent fraction of both fractional numbers with denominator 560
2. For the 1st fraction, since 28 × 20 = 560,
   2/28 = 2 × 20/28 × 20 = 40/560
3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
   90/80 = 90 × 7/80 × 7 = 630/560
4. Add the two like fractions:
   40/560 + 630/560 = 40 + 630/560 = 670/560
5. 670/560 simplified gives 67/56
6. So, 2/28 + 90/80 = 67/56
   In mixed form: 111/56

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