Add 80/28 and 27/90
1st number: 2 24/28, 2nd number: 27/90
80/28 + 27/90 is 221/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 90 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 28 × 45 = 1260,
80/28 = 80 × 45/28 × 45 = 3600/1260 - Likewise, for the 2nd fraction, since 90 × 14 = 1260,
27/90 = 27 × 14/90 × 14 = 378/1260 - Add the two like fractions:
3600/1260 + 378/1260 = 3600 + 378/1260 = 3978/1260 - 3978/1260 simplified gives 221/70
- So, 80/28 + 27/90 = 221/70
In mixed form: 311/70
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