Add 80/45 and 27/28
1st number: 1 35/45, 2nd number: 27/28
80/45 + 27/28 is 691/252.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 28 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 45 × 28 = 1260,
80/45 = 80 × 28/45 × 28 = 2240/1260 - Likewise, for the 2nd fraction, since 28 × 45 = 1260,
27/28 = 27 × 45/28 × 45 = 1215/1260 - Add the two like fractions:
2240/1260 + 1215/1260 = 2240 + 1215/1260 = 3455/1260 - 3455/1260 simplified gives 691/252
- So, 80/45 + 27/28 = 691/252
In mixed form: 2187/252
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