Add 27/90 and 35/28
1st number: 27/90, 2nd number: 1 7/28
27/90 + 35/28 is 31/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 28 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 90 × 14 = 1260,
27/90 = 27 × 14/90 × 14 = 378/1260 - Likewise, for the 2nd fraction, since 28 × 45 = 1260,
35/28 = 35 × 45/28 × 45 = 1575/1260 - Add the two like fractions:
378/1260 + 1575/1260 = 378 + 1575/1260 = 1953/1260 - 1953/1260 simplified gives 31/20
- So, 27/90 + 35/28 = 31/20
In mixed form: 111/20
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