Answers

Add 7/90 and 80/60

1^st number: 7/90, 2^nd number: 1 20/60

7/90 + 80/60 is 127/90.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 60 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 90 × 2 = 180,
   7/90 = 7 × 2/90 × 2 = 14/180
3. Likewise, for the 2nd fraction, since 60 × 3 = 180,
   80/60 = 80 × 3/60 × 3 = 240/180
4. Add the two like fractions:
   14/180 + 240/180 = 14 + 240/180 = 254/180
5. 254/180 simplified gives 127/90
6. So, 7/90 + 80/60 = 127/90
   In mixed form: 137/90

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