Add 28/5 and 15/90
1st number: 5 3/5, 2nd number: 15/90
28/5 + 15/90 is 173/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
28/5 = 28 × 18/5 × 18 = 504/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
15/90 = 15 × 1/90 × 1 = 15/90 - Add the two like fractions:
504/90 + 15/90 = 504 + 15/90 = 519/90 - 519/90 simplified gives 173/30
- So, 28/5 + 15/90 = 173/30
In mixed form: 523/30
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