Add 28/45 and 35/18
1st number: 28/45, 2nd number: 1 17/18
28/45 + 35/18 is 77/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
28/45 = 28 × 2/45 × 2 = 56/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
35/18 = 35 × 5/18 × 5 = 175/90 - Add the two like fractions:
56/90 + 175/90 = 56 + 175/90 = 231/90 - 231/90 simplified gives 77/30
- So, 28/45 + 35/18 = 77/30
In mixed form: 217/30
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