Add 28/80 and 45/27
1st number: 28/80, 2nd number: 1 18/27
28/80 + 45/27 is 121/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 27 is 2160
Next, find the equivalent fraction of both fractional numbers with denominator 2160 - For the 1st fraction, since 80 × 27 = 2160,
28/80 = 28 × 27/80 × 27 = 756/2160 - Likewise, for the 2nd fraction, since 27 × 80 = 2160,
45/27 = 45 × 80/27 × 80 = 3600/2160 - Add the two like fractions:
756/2160 + 3600/2160 = 756 + 3600/2160 = 4356/2160 - 4356/2160 simplified gives 121/60
- So, 28/80 + 45/27 = 121/60
In mixed form: 21/60
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